Home / 1,526,691.60-2,290,037.40-863,139.60

Finding the Fourth Proportional to 1,526,691.60, 2,290,037.40 and 863,139.60

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Solution

The fourth proportional to 1,526,691.60, 2,290,037.40 and 863,139.60 is: 1,294,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,691.60 : 2,290,037.40 = 863,139.60 : x
  2. Step 2: Convert to fraction form
    1,526,691.60/2,290,037.40 = 863,139.60/x
  3. Step 3: Cross multiply
    1,526,691.60x = 2,290,037.40 × 863,139.60
  4. Step 4: Simplify right side
    1,526,691.60x = 1,976,621,965,421.04
  5. Step 5: Solve for x
    x = 1,976,621,965,421.04/1,526,691.60
  6. Step 6: Final answer
    x = 1,294,709.40

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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.