Home / 1,457,285.40-2,185,928.10-446,405.40

Finding the Fourth Proportional to 1,457,285.40, 2,185,928.10 and 446,405.40

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Solution

The fourth proportional to 1,457,285.40, 2,185,928.10 and 446,405.40 is: 669,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,285.40 : 2,185,928.10 = 446,405.40 : x
  2. Step 2: Convert to fraction form
    1,457,285.40/2,185,928.10 = 446,405.40/x
  3. Step 3: Cross multiply
    1,457,285.40x = 2,185,928.10 × 446,405.40
  4. Step 4: Simplify right side
    1,457,285.40x = 975,810,107,851.74
  5. Step 5: Solve for x
    x = 975,810,107,851.74/1,457,285.40
  6. Step 6: Final answer
    x = 669,608.10

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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.