Home / 1,948,125.60-2,920,114.80-749,584.80

Finding the Fourth Proportional to 1,948,125.60, 2,920,114.80 and 749,584.80

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Solution

The fourth proportional to 1,948,125.60, 2,920,114.80 and 749,584.80 is: 1,123,579.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,125.60 : 2,920,114.80 = 749,584.80 : x
  2. Step 2: Convert to fraction form
    1,948,125.60/2,920,114.80 = 749,584.80/x
  3. Step 3: Cross multiply
    1,948,125.60x = 2,920,114.80 × 749,584.80
  4. Step 4: Simplify right side
    1,948,125.60x = 2,188,873,668,335.04
  5. Step 5: Solve for x
    x = 2,188,873,668,335.04/1,948,125.60
  6. Step 6: Final answer
    x = 1,123,579.34

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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.