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Finding the Fourth Proportional to 1,044,151.30, 1,566,226.95 and 981,943.30

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Solution

The fourth proportional to 1,044,151.30, 1,566,226.95 and 981,943.30 is: 1,472,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,151.30 : 1,566,226.95 = 981,943.30 : x
  2. Step 2: Convert to fraction form
    1,044,151.30/1,566,226.95 = 981,943.30/x
  3. Step 3: Cross multiply
    1,044,151.30x = 1,566,226.95 × 981,943.30
  4. Step 4: Simplify right side
    1,044,151.30x = 1,537,946,059,831.94
  5. Step 5: Solve for x
    x = 1,537,946,059,831.94/1,044,151.30
  6. Step 6: Final answer
    x = 1,472,914.95

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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.