Home / 1,751,743.18-2,417,488.41-987,780.34

Finding the Fourth Proportional to 1,751,743.18, 2,417,488.41 and 987,780.34

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Solution

The fourth proportional to 1,751,743.18, 2,417,488.41 and 987,780.34 is: 1,363,183.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751,743.18 : 2,417,488.41 = 987,780.34 : x
  2. Step 2: Convert to fraction form
    1,751,743.18/2,417,488.41 = 987,780.34/x
  3. Step 3: Cross multiply
    1,751,743.18x = 2,417,488.41 × 987,780.34
  4. Step 4: Simplify right side
    1,751,743.18x = 2,387,947,523,575.86
  5. Step 5: Solve for x
    x = 2,387,947,523,575.86/1,751,743.18
  6. Step 6: Final answer
    x = 1,363,183.57

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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.