Home / 1,520,686.60-2,278,511-1,069,201.66

Finding the Fourth Proportional to 1,520,686.60, 2,278,511 and 1,069,201.66

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Solution

The fourth proportional to 1,520,686.60, 2,278,511 and 1,069,201.66 is: 1,602,031.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,686.60 : 2,278,511 = 1,069,201.66 : x
  2. Step 2: Convert to fraction form
    1,520,686.60/2,278,511 = 1,069,201.66/x
  3. Step 3: Cross multiply
    1,520,686.60x = 2,278,511 × 1,069,201.66
  4. Step 4: Simplify right side
    1,520,686.60x = 2,436,187,743,528.26
  5. Step 5: Solve for x
    x = 2,436,187,743,528.26/1,520,686.60
  6. Step 6: Final answer
    x = 1,602,031.44

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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.