Home / 1,457,240.90-2,185,861.35-459,968.90

Finding the Fourth Proportional to 1,457,240.90, 2,185,861.35 and 459,968.90

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Solution

The fourth proportional to 1,457,240.90, 2,185,861.35 and 459,968.90 is: 689,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,240.90 : 2,185,861.35 = 459,968.90 : x
  2. Step 2: Convert to fraction form
    1,457,240.90/2,185,861.35 = 459,968.90/x
  3. Step 3: Cross multiply
    1,457,240.90x = 2,185,861.35 × 459,968.90
  4. Step 4: Simplify right side
    1,457,240.90x = 1,005,428,240,712.02
  5. Step 5: Solve for x
    x = 1,005,428,240,712.02/1,457,240.90
  6. Step 6: Final answer
    x = 689,953.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.