Home / 1,488,940.79-2,233,337.27-478,112.22

Finding the Fourth Proportional to 1,488,940.79, 2,233,337.27 and 478,112.22

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Solution

The fourth proportional to 1,488,940.79, 2,233,337.27 and 478,112.22 is: 717,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,940.79 : 2,233,337.27 = 478,112.22 : x
  2. Step 2: Convert to fraction form
    1,488,940.79/2,233,337.27 = 478,112.22/x
  3. Step 3: Cross multiply
    1,488,940.79x = 2,233,337.27 × 478,112.22
  4. Step 4: Simplify right side
    1,488,940.79x = 1,067,785,837,777.88
  5. Step 5: Solve for x
    x = 1,067,785,837,777.88/1,488,940.79
  6. Step 6: Final answer
    x = 717,144.60

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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.