Home / 1,485,087.30-2,227,630.95-1,272,510.90

Finding the Fourth Proportional to 1,485,087.30, 2,227,630.95 and 1,272,510.90

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Solution

The fourth proportional to 1,485,087.30, 2,227,630.95 and 1,272,510.90 is: 1,908,766.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,087.30 : 2,227,630.95 = 1,272,510.90 : x
  2. Step 2: Convert to fraction form
    1,485,087.30/2,227,630.95 = 1,272,510.90/x
  3. Step 3: Cross multiply
    1,485,087.30x = 2,227,630.95 × 1,272,510.90
  4. Step 4: Simplify right side
    1,485,087.30x = 2,834,684,665,052.36
  5. Step 5: Solve for x
    x = 2,834,684,665,052.36/1,485,087.30
  6. Step 6: Final answer
    x = 1,908,766.35

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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.