Home / 1,236,560.38-1,854,850.46-478,488.47

Finding the Fourth Proportional to 1,236,560.38, 1,854,850.46 and 478,488.47

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Solution

The fourth proportional to 1,236,560.38, 1,854,850.46 and 478,488.47 is: 717,736.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,560.38 : 1,854,850.46 = 478,488.47 : x
  2. Step 2: Convert to fraction form
    1,236,560.38/1,854,850.46 = 478,488.47/x
  3. Step 3: Cross multiply
    1,236,560.38x = 1,854,850.46 × 478,488.47
  4. Step 4: Simplify right side
    1,236,560.38x = 887,524,547,017.50
  5. Step 5: Solve for x
    x = 887,524,547,017.50/1,236,560.38
  6. Step 6: Final answer
    x = 717,736.52

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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.