Home / 1,553,001.30-2,143,137.42-873,937.80

Finding the Fourth Proportional to 1,553,001.30, 2,143,137.42 and 873,937.80

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Solution

The fourth proportional to 1,553,001.30, 2,143,137.42 and 873,937.80 is: 1,206,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,001.30 : 2,143,137.42 = 873,937.80 : x
  2. Step 2: Convert to fraction form
    1,553,001.30/2,143,137.42 = 873,937.80/x
  3. Step 3: Cross multiply
    1,553,001.30x = 2,143,137.42 × 873,937.80
  4. Step 4: Simplify right side
    1,553,001.30x = 1,872,968,801,932.48
  5. Step 5: Solve for x
    x = 1,872,968,801,932.48/1,553,001.30
  6. Step 6: Final answer
    x = 1,206,031.70

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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.