Home / 991,737.91-1,369,160.54-758,726.65

Finding the Fourth Proportional to 991,737.91, 1,369,160.54 and 758,726.65

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Solution

The fourth proportional to 991,737.91, 1,369,160.54 and 758,726.65 is: 1,047,472.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,737.91 : 1,369,160.54 = 758,726.65 : x
  2. Step 2: Convert to fraction form
    991,737.91/1,369,160.54 = 758,726.65/x
  3. Step 3: Cross multiply
    991,737.91x = 1,369,160.54 × 758,726.65
  4. Step 4: Simplify right side
    991,737.91x = 1,038,818,589,826.39
  5. Step 5: Solve for x
    x = 1,038,818,589,826.39/991,737.91
  6. Step 6: Final answer
    x = 1,047,472.91

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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.