Home / 1,421,747.80-2,132,621.71-475,118.52

Finding the Fourth Proportional to 1,421,747.80, 2,132,621.71 and 475,118.52

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Solution

The fourth proportional to 1,421,747.80, 2,132,621.71 and 475,118.52 is: 712,677.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,747.80 : 2,132,621.71 = 475,118.52 : x
  2. Step 2: Convert to fraction form
    1,421,747.80/2,132,621.71 = 475,118.52/x
  3. Step 3: Cross multiply
    1,421,747.80x = 2,132,621.71 × 475,118.52
  4. Step 4: Simplify right side
    1,421,747.80x = 1,013,248,070,575.07
  5. Step 5: Solve for x
    x = 1,013,248,070,575.07/1,421,747.80
  6. Step 6: Final answer
    x = 712,677.78

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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.