Home / 2,425,789.20-3,638,683.80-742,892.70

Finding the Fourth Proportional to 2,425,789.20, 3,638,683.80 and 742,892.70

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Solution

The fourth proportional to 2,425,789.20, 3,638,683.80 and 742,892.70 is: 1,114,339.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425,789.20 : 3,638,683.80 = 742,892.70 : x
  2. Step 2: Convert to fraction form
    2,425,789.20/3,638,683.80 = 742,892.70/x
  3. Step 3: Cross multiply
    2,425,789.20x = 3,638,683.80 × 742,892.70
  4. Step 4: Simplify right side
    2,425,789.20x = 2,703,151,632,628.26
  5. Step 5: Solve for x
    x = 2,703,151,632,628.26/2,425,789.20
  6. Step 6: Final answer
    x = 1,114,339.05

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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.