Home / 1,487,632.24-2,231,370.45-408,065.72

Finding the Fourth Proportional to 1,487,632.24, 2,231,370.45 and 408,065.72

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Solution

The fourth proportional to 1,487,632.24, 2,231,370.45 and 408,065.72 is: 612,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,632.24 : 2,231,370.45 = 408,065.72 : x
  2. Step 2: Convert to fraction form
    1,487,632.24/2,231,370.45 = 408,065.72/x
  3. Step 3: Cross multiply
    1,487,632.24x = 2,231,370.45 × 408,065.72
  4. Step 4: Simplify right side
    1,487,632.24x = 910,545,778,109.12
  5. Step 5: Solve for x
    x = 910,545,778,109.12/1,487,632.24
  6. Step 6: Final answer
    x = 612,077.20

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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.