Home / 1,488,938.64-2,055,449.16-916,469.52

Finding the Fourth Proportional to 1,488,938.64, 2,055,449.16 and 916,469.52

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Solution

The fourth proportional to 1,488,938.64, 2,055,449.16 and 916,469.52 is: 1,265,167.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,938.64 : 2,055,449.16 = 916,469.52 : x
  2. Step 2: Convert to fraction form
    1,488,938.64/2,055,449.16 = 916,469.52/x
  3. Step 3: Cross multiply
    1,488,938.64x = 2,055,449.16 × 916,469.52
  4. Step 4: Simplify right side
    1,488,938.64x = 1,883,756,505,049.60
  5. Step 5: Solve for x
    x = 1,883,756,505,049.60/1,488,938.64
  6. Step 6: Final answer
    x = 1,265,167.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.