Home / 1,402,536.80-2,103,805.20-654,658.40

Finding the Fourth Proportional to 1,402,536.80, 2,103,805.20 and 654,658.40

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Solution

The fourth proportional to 1,402,536.80, 2,103,805.20 and 654,658.40 is: 981,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,536.80 : 2,103,805.20 = 654,658.40 : x
  2. Step 2: Convert to fraction form
    1,402,536.80/2,103,805.20 = 654,658.40/x
  3. Step 3: Cross multiply
    1,402,536.80x = 2,103,805.20 × 654,658.40
  4. Step 4: Simplify right side
    1,402,536.80x = 1,377,273,746,143.68
  5. Step 5: Solve for x
    x = 1,377,273,746,143.68/1,402,536.80
  6. Step 6: Final answer
    x = 981,987.60

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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.