Home / 1,187,434.50-1,776,947.24-738,366.86

Finding the Fourth Proportional to 1,187,434.50, 1,776,947.24 and 738,366.86

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Solution

The fourth proportional to 1,187,434.50, 1,776,947.24 and 738,366.86 is: 1,104,935.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,434.50 : 1,776,947.24 = 738,366.86 : x
  2. Step 2: Convert to fraction form
    1,187,434.50/1,776,947.24 = 738,366.86/x
  3. Step 3: Cross multiply
    1,187,434.50x = 1,776,947.24 × 738,366.86
  4. Step 4: Simplify right side
    1,187,434.50x = 1,312,038,953,984.47
  5. Step 5: Solve for x
    x = 1,312,038,953,984.47/1,187,434.50
  6. Step 6: Final answer
    x = 1,104,935.85

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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.