Home / 1,037,165.20-1,555,747.80-926,940.40

Finding the Fourth Proportional to 1,037,165.20, 1,555,747.80 and 926,940.40

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Solution

The fourth proportional to 1,037,165.20, 1,555,747.80 and 926,940.40 is: 1,390,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,165.20 : 1,555,747.80 = 926,940.40 : x
  2. Step 2: Convert to fraction form
    1,037,165.20/1,555,747.80 = 926,940.40/x
  3. Step 3: Cross multiply
    1,037,165.20x = 1,555,747.80 × 926,940.40
  4. Step 4: Simplify right side
    1,037,165.20x = 1,442,085,488,031.12
  5. Step 5: Solve for x
    x = 1,442,085,488,031.12/1,037,165.20
  6. Step 6: Final answer
    x = 1,390,410.60

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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.