Home / 1,432,402.26-2,148,146.90-472,678.98

Finding the Fourth Proportional to 1,432,402.26, 2,148,146.90 and 472,678.98

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Solution

The fourth proportional to 1,432,402.26, 2,148,146.90 and 472,678.98 is: 708,867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,402.26 : 2,148,146.90 = 472,678.98 : x
  2. Step 2: Convert to fraction form
    1,432,402.26/2,148,146.90 = 472,678.98/x
  3. Step 3: Cross multiply
    1,432,402.26x = 2,148,146.90 × 472,678.98
  4. Step 4: Simplify right side
    1,432,402.26x = 1,015,383,885,582.16
  5. Step 5: Solve for x
    x = 1,015,383,885,582.16/1,432,402.26
  6. Step 6: Final answer
    x = 708,867.83

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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.