Home / 1,340,295.80-2,010,443.70-1,074,575.30

Finding the Fourth Proportional to 1,340,295.80, 2,010,443.70 and 1,074,575.30

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Solution

The fourth proportional to 1,340,295.80, 2,010,443.70 and 1,074,575.30 is: 1,611,862.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,295.80 : 2,010,443.70 = 1,074,575.30 : x
  2. Step 2: Convert to fraction form
    1,340,295.80/2,010,443.70 = 1,074,575.30/x
  3. Step 3: Cross multiply
    1,340,295.80x = 2,010,443.70 × 1,074,575.30
  4. Step 4: Simplify right side
    1,340,295.80x = 2,160,373,142,060.61
  5. Step 5: Solve for x
    x = 2,160,373,142,060.61/1,340,295.80
  6. Step 6: Final answer
    x = 1,611,862.95

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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.