Home / 1,625,021.39-2,437,526.22-487,778.66

Finding the Fourth Proportional to 1,625,021.39, 2,437,526.22 and 487,778.66

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Solution

The fourth proportional to 1,625,021.39, 2,437,526.22 and 487,778.66 is: 731,666.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,021.39 : 2,437,526.22 = 487,778.66 : x
  2. Step 2: Convert to fraction form
    1,625,021.39/2,437,526.22 = 487,778.66/x
  3. Step 3: Cross multiply
    1,625,021.39x = 2,437,526.22 × 487,778.66
  4. Step 4: Simplify right side
    1,625,021.39x = 1,188,973,273,306.47
  5. Step 5: Solve for x
    x = 1,188,973,273,306.47/1,625,021.39
  6. Step 6: Final answer
    x = 731,666.23

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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.