Home / 1,425,702.52-1,967,219.38-813,575.80

Finding the Fourth Proportional to 1,425,702.52, 1,967,219.38 and 813,575.80

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Solution

The fourth proportional to 1,425,702.52, 1,967,219.38 and 813,575.80 is: 1,122,591.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,702.52 : 1,967,219.38 = 813,575.80 : x
  2. Step 2: Convert to fraction form
    1,425,702.52/1,967,219.38 = 813,575.80/x
  3. Step 3: Cross multiply
    1,425,702.52x = 1,967,219.38 × 813,575.80
  4. Step 4: Simplify right side
    1,425,702.52x = 1,600,482,080,859.00
  5. Step 5: Solve for x
    x = 1,600,482,080,859.00/1,425,702.52
  6. Step 6: Final answer
    x = 1,122,591.89

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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.