Home / 1,660,166.80-2,490,557.40-538,272.40

Finding the Fourth Proportional to 1,660,166.80, 2,490,557.40 and 538,272.40

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Solution

The fourth proportional to 1,660,166.80, 2,490,557.40 and 538,272.40 is: 807,508.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,166.80 : 2,490,557.40 = 538,272.40 : x
  2. Step 2: Convert to fraction form
    1,660,166.80/2,490,557.40 = 538,272.40/x
  3. Step 3: Cross multiply
    1,660,166.80x = 2,490,557.40 × 538,272.40
  4. Step 4: Simplify right side
    1,660,166.80x = 1,340,598,309,035.76
  5. Step 5: Solve for x
    x = 1,340,598,309,035.76/1,660,166.80
  6. Step 6: Final answer
    x = 807,508.20

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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.