Home / 1,488,268.60-2,232,921.30-647,423.80

Finding the Fourth Proportional to 1,488,268.60, 2,232,921.30 and 647,423.80

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Solution

The fourth proportional to 1,488,268.60, 2,232,921.30 and 647,423.80 is: 971,361.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,268.60 : 2,232,921.30 = 647,423.80 : x
  2. Step 2: Convert to fraction form
    1,488,268.60/2,232,921.30 = 647,423.80/x
  3. Step 3: Cross multiply
    1,488,268.60x = 2,232,921.30 × 647,423.80
  4. Step 4: Simplify right side
    1,488,268.60x = 1,445,646,393,146.94
  5. Step 5: Solve for x
    x = 1,445,646,393,146.94/1,488,268.60
  6. Step 6: Final answer
    x = 971,361.21

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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.