Home / 2,488,625.60-3,732,938.40-691,505.60

Finding the Fourth Proportional to 2,488,625.60, 3,732,938.40 and 691,505.60

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Solution

The fourth proportional to 2,488,625.60, 3,732,938.40 and 691,505.60 is: 1,037,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488,625.60 : 3,732,938.40 = 691,505.60 : x
  2. Step 2: Convert to fraction form
    2,488,625.60/3,732,938.40 = 691,505.60/x
  3. Step 3: Cross multiply
    2,488,625.60x = 3,732,938.40 × 691,505.60
  4. Step 4: Simplify right side
    2,488,625.60x = 2,581,347,808,055.04
  5. Step 5: Solve for x
    x = 2,581,347,808,055.04/2,488,625.60
  6. Step 6: Final answer
    x = 1,037,258.40

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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.