Home / 1,454,488.38-2,180,718.86-644,432.49

Finding the Fourth Proportional to 1,454,488.38, 2,180,718.86 and 644,432.49

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Solution

The fourth proportional to 1,454,488.38, 2,180,718.86 and 644,432.49 is: 966,199.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,488.38 : 2,180,718.86 = 644,432.49 : x
  2. Step 2: Convert to fraction form
    1,454,488.38/2,180,718.86 = 644,432.49/x
  3. Step 3: Cross multiply
    1,454,488.38x = 2,180,718.86 × 644,432.49
  4. Step 4: Simplify right side
    1,454,488.38x = 1,405,326,081,717.60
  5. Step 5: Solve for x
    x = 1,405,326,081,717.60/1,454,488.38
  6. Step 6: Final answer
    x = 966,199.59

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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.