Home / 1,627,432.19-2,441,249.78-429,355.65

Finding the Fourth Proportional to 1,627,432.19, 2,441,249.78 and 429,355.65

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Solution

The fourth proportional to 1,627,432.19, 2,441,249.78 and 429,355.65 is: 644,060.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,432.19 : 2,441,249.78 = 429,355.65 : x
  2. Step 2: Convert to fraction form
    1,627,432.19/2,441,249.78 = 429,355.65/x
  3. Step 3: Cross multiply
    1,627,432.19x = 2,441,249.78 × 429,355.65
  4. Step 4: Simplify right side
    1,627,432.19x = 1,048,164,386,104.26
  5. Step 5: Solve for x
    x = 1,048,164,386,104.26/1,627,432.19
  6. Step 6: Final answer
    x = 644,060.25

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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.