Home / 1,142,355.40-1,714,189.20-432,892.60

Finding the Fourth Proportional to 1,142,355.40, 1,714,189.20 and 432,892.60

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Solution

The fourth proportional to 1,142,355.40, 1,714,189.20 and 432,892.60 is: 649,587.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,355.40 : 1,714,189.20 = 432,892.60 : x
  2. Step 2: Convert to fraction form
    1,142,355.40/1,714,189.20 = 432,892.60/x
  3. Step 3: Cross multiply
    1,142,355.40x = 1,714,189.20 × 432,892.60
  4. Step 4: Simplify right side
    1,142,355.40x = 742,059,819,679.92
  5. Step 5: Solve for x
    x = 742,059,819,679.92/1,142,355.40
  6. Step 6: Final answer
    x = 649,587.53

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Double scale
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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.