Home / 1,363,631-2,045,741.76-522,182.78

Finding the Fourth Proportional to 1,363,631, 2,045,741.76 and 522,182.78

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Solution

The fourth proportional to 1,363,631, 2,045,741.76 and 522,182.78 is: 783,387.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,631 : 2,045,741.76 = 522,182.78 : x
  2. Step 2: Convert to fraction form
    1,363,631/2,045,741.76 = 522,182.78/x
  3. Step 3: Cross multiply
    1,363,631x = 2,045,741.76 × 522,182.78
  4. Step 4: Simplify right side
    1,363,631x = 1,068,251,119,398.89
  5. Step 5: Solve for x
    x = 1,068,251,119,398.89/1,363,631
  6. Step 6: Final answer
    x = 783,387.24

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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.