Home / 1,331,815.70-1,837,470.11-815,030.87

Finding the Fourth Proportional to 1,331,815.70, 1,837,470.11 and 815,030.87

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Solution

The fourth proportional to 1,331,815.70, 1,837,470.11 and 815,030.87 is: 1,124,476.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,815.70 : 1,837,470.11 = 815,030.87 : x
  2. Step 2: Convert to fraction form
    1,331,815.70/1,837,470.11 = 815,030.87/x
  3. Step 3: Cross multiply
    1,331,815.70x = 1,837,470.11 × 815,030.87
  4. Step 4: Simplify right side
    1,331,815.70x = 1,497,594,849,089.79
  5. Step 5: Solve for x
    x = 1,497,594,849,089.79/1,331,815.70
  6. Step 6: Final answer
    x = 1,124,476.04

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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.