Home / 1,518,359.72-2,277,543.89-438,960.13

Finding the Fourth Proportional to 1,518,359.72, 2,277,543.89 and 438,960.13

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Solution

The fourth proportional to 1,518,359.72, 2,277,543.89 and 438,960.13 is: 658,441.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,359.72 : 2,277,543.89 = 438,960.13 : x
  2. Step 2: Convert to fraction form
    1,518,359.72/2,277,543.89 = 438,960.13/x
  3. Step 3: Cross multiply
    1,518,359.72x = 2,277,543.89 × 438,960.13
  4. Step 4: Simplify right side
    1,518,359.72x = 999,750,957,438.65
  5. Step 5: Solve for x
    x = 999,750,957,438.65/1,518,359.72
  6. Step 6: Final answer
    x = 658,441.44

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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.