Home / 1,457,015.40-2,185,523.10-459,743.40

Finding the Fourth Proportional to 1,457,015.40, 2,185,523.10 and 459,743.40

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Solution

The fourth proportional to 1,457,015.40, 2,185,523.10 and 459,743.40 is: 689,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,015.40 : 2,185,523.10 = 459,743.40 : x
  2. Step 2: Convert to fraction form
    1,457,015.40/2,185,523.10 = 459,743.40/x
  3. Step 3: Cross multiply
    1,457,015.40x = 2,185,523.10 × 459,743.40
  4. Step 4: Simplify right side
    1,457,015.40x = 1,004,779,820,772.54
  5. Step 5: Solve for x
    x = 1,004,779,820,772.54/1,457,015.40
  6. Step 6: Final answer
    x = 689,615.10

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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.