Home / 1,251,103.56-1,876,367.52-745,807.20

Finding the Fourth Proportional to 1,251,103.56, 1,876,367.52 and 745,807.20

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Solution

The fourth proportional to 1,251,103.56, 1,876,367.52 and 745,807.20 is: 1,118,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,103.56 : 1,876,367.52 = 745,807.20 : x
  2. Step 2: Convert to fraction form
    1,251,103.56/1,876,367.52 = 745,807.20/x
  3. Step 3: Cross multiply
    1,251,103.56x = 1,876,367.52 × 745,807.20
  4. Step 4: Simplify right side
    1,251,103.56x = 1,399,408,406,262.14
  5. Step 5: Solve for x
    x = 1,399,408,406,262.14/1,251,103.56
  6. Step 6: Final answer
    x = 1,118,539.22

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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.