Home / 1,151,963.88-1,728,717.10-478,045.84

Finding the Fourth Proportional to 1,151,963.88, 1,728,717.10 and 478,045.84

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Solution

The fourth proportional to 1,151,963.88, 1,728,717.10 and 478,045.84 is: 717,388.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,963.88 : 1,728,717.10 = 478,045.84 : x
  2. Step 2: Convert to fraction form
    1,151,963.88/1,728,717.10 = 478,045.84/x
  3. Step 3: Cross multiply
    1,151,963.88x = 1,728,717.10 × 478,045.84
  4. Step 4: Simplify right side
    1,151,963.88x = 826,406,018,191.86
  5. Step 5: Solve for x
    x = 826,406,018,191.86/1,151,963.88
  6. Step 6: Final answer
    x = 717,388.83

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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.