Home / 1,386,085.32-2,079,126.36-1,009,402.92

Finding the Fourth Proportional to 1,386,085.32, 2,079,126.36 and 1,009,402.92

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Solution

The fourth proportional to 1,386,085.32, 2,079,126.36 and 1,009,402.92 is: 1,514,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,085.32 : 2,079,126.36 = 1,009,402.92 : x
  2. Step 2: Convert to fraction form
    1,386,085.32/2,079,126.36 = 1,009,402.92/x
  3. Step 3: Cross multiply
    1,386,085.32x = 2,079,126.36 × 1,009,402.92
  4. Step 4: Simplify right side
    1,386,085.32x = 2,098,676,218,832.97
  5. Step 5: Solve for x
    x = 2,098,676,218,832.97/1,386,085.32
  6. Step 6: Final answer
    x = 1,514,103.20

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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.