Home / 1,138,946.13-1,708,890.75-498,919.20

Finding the Fourth Proportional to 1,138,946.13, 1,708,890.75 and 498,919.20

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Solution

The fourth proportional to 1,138,946.13, 1,708,890.75 and 498,919.20 is: 748,585.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,946.13 : 1,708,890.75 = 498,919.20 : x
  2. Step 2: Convert to fraction form
    1,138,946.13/1,708,890.75 = 498,919.20/x
  3. Step 3: Cross multiply
    1,138,946.13x = 1,708,890.75 × 498,919.20
  4. Step 4: Simplify right side
    1,138,946.13x = 852,598,405,877.40
  5. Step 5: Solve for x
    x = 852,598,405,877.40/1,138,946.13
  6. Step 6: Final answer
    x = 748,585.37

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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.