Home / 1,691,744.80-2,538,200.40-745,794.40

Finding the Fourth Proportional to 1,691,744.80, 2,538,200.40 and 745,794.40

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Solution

The fourth proportional to 1,691,744.80, 2,538,200.40 and 745,794.40 is: 1,118,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,744.80 : 2,538,200.40 = 745,794.40 : x
  2. Step 2: Convert to fraction form
    1,691,744.80/2,538,200.40 = 745,794.40/x
  3. Step 3: Cross multiply
    1,691,744.80x = 2,538,200.40 × 745,794.40
  4. Step 4: Simplify right side
    1,691,744.80x = 1,892,975,644,397.76
  5. Step 5: Solve for x
    x = 1,892,975,644,397.76/1,691,744.80
  6. Step 6: Final answer
    x = 1,118,948.70

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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.