Home / 1,488,941.79-2,233,338.76-478,113.22

Finding the Fourth Proportional to 1,488,941.79, 2,233,338.76 and 478,113.22

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Solution

The fourth proportional to 1,488,941.79, 2,233,338.76 and 478,113.22 is: 717,146.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,941.79 : 2,233,338.76 = 478,113.22 : x
  2. Step 2: Convert to fraction form
    1,488,941.79/2,233,338.76 = 478,113.22/x
  3. Step 3: Cross multiply
    1,488,941.79x = 2,233,338.76 × 478,113.22
  4. Step 4: Simplify right side
    1,488,941.79x = 1,067,788,785,894.41
  5. Step 5: Solve for x
    x = 1,067,788,785,894.41/1,488,941.79
  6. Step 6: Final answer
    x = 717,146.09

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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.