Home / 1,006,407.80-1,388,853.78-547,524.98

Finding the Fourth Proportional to 1,006,407.80, 1,388,853.78 and 547,524.98

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Solution

The fourth proportional to 1,006,407.80, 1,388,853.78 and 547,524.98 is: 755,590.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,407.80 : 1,388,853.78 = 547,524.98 : x
  2. Step 2: Convert to fraction form
    1,006,407.80/1,388,853.78 = 547,524.98/x
  3. Step 3: Cross multiply
    1,006,407.80x = 1,388,853.78 × 547,524.98
  4. Step 4: Simplify right side
    1,006,407.80x = 760,432,138,117.43
  5. Step 5: Solve for x
    x = 760,432,138,117.43/1,006,407.80
  6. Step 6: Final answer
    x = 755,590.47

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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.