Home / 1,133,403.92-1,564,162.92-649,965.20

Finding the Fourth Proportional to 1,133,403.92, 1,564,162.92 and 649,965.20

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Solution

The fourth proportional to 1,133,403.92, 1,564,162.92 and 649,965.20 is: 896,989.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,403.92 : 1,564,162.92 = 649,965.20 : x
  2. Step 2: Convert to fraction form
    1,133,403.92/1,564,162.92 = 649,965.20/x
  3. Step 3: Cross multiply
    1,133,403.92x = 1,564,162.92 × 649,965.20
  4. Step 4: Simplify right side
    1,133,403.92x = 1,016,651,465,130.38
  5. Step 5: Solve for x
    x = 1,016,651,465,130.38/1,133,403.92
  6. Step 6: Final answer
    x = 896,989.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.