Home / 1,011,292.80-1,514,402.28-915,429.30

Finding the Fourth Proportional to 1,011,292.80, 1,514,402.28 and 915,429.30

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Solution

The fourth proportional to 1,011,292.80, 1,514,402.28 and 915,429.30 is: 1,370,847.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,292.80 : 1,514,402.28 = 915,429.30 : x
  2. Step 2: Convert to fraction form
    1,011,292.80/1,514,402.28 = 915,429.30/x
  3. Step 3: Cross multiply
    1,011,292.80x = 1,514,402.28 × 915,429.30
  4. Step 4: Simplify right side
    1,011,292.80x = 1,386,328,219,098.80
  5. Step 5: Solve for x
    x = 1,386,328,219,098.80/1,011,292.80
  6. Step 6: Final answer
    x = 1,370,847.51

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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.