Home / 1,367,801.88-1,887,572.90-747,619.85

Finding the Fourth Proportional to 1,367,801.88, 1,887,572.90 and 747,619.85

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Solution

The fourth proportional to 1,367,801.88, 1,887,572.90 and 747,619.85 is: 1,031,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,801.88 : 1,887,572.90 = 747,619.85 : x
  2. Step 2: Convert to fraction form
    1,367,801.88/1,887,572.90 = 747,619.85/x
  3. Step 3: Cross multiply
    1,367,801.88x = 1,887,572.90 × 747,619.85
  4. Step 4: Simplify right side
    1,367,801.88x = 1,411,186,974,950.05
  5. Step 5: Solve for x
    x = 1,411,186,974,950.05/1,367,801.88
  6. Step 6: Final answer
    x = 1,031,718.85

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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.