Home / 1,006,520.83-1,388,770.71-734,736.87

Finding the Fourth Proportional to 1,006,520.83, 1,388,770.71 and 734,736.87

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Solution

The fourth proportional to 1,006,520.83, 1,388,770.71 and 734,736.87 is: 1,013,770.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,520.83 : 1,388,770.71 = 734,736.87 : x
  2. Step 2: Convert to fraction form
    1,006,520.83/1,388,770.71 = 734,736.87/x
  3. Step 3: Cross multiply
    1,006,520.83x = 1,388,770.71 × 734,736.87
  4. Step 4: Simplify right side
    1,006,520.83x = 1,020,381,044,613.08
  5. Step 5: Solve for x
    x = 1,020,381,044,613.08/1,006,520.83
  6. Step 6: Final answer
    x = 1,013,770.42

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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.