Home / 1,087,309.20-1,630,963.80-1,071,562.80

Finding the Fourth Proportional to 1,087,309.20, 1,630,963.80 and 1,071,562.80

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Solution

The fourth proportional to 1,087,309.20, 1,630,963.80 and 1,071,562.80 is: 1,607,344.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,309.20 : 1,630,963.80 = 1,071,562.80 : x
  2. Step 2: Convert to fraction form
    1,087,309.20/1,630,963.80 = 1,071,562.80/x
  3. Step 3: Cross multiply
    1,087,309.20x = 1,630,963.80 × 1,071,562.80
  4. Step 4: Simplify right side
    1,087,309.20x = 1,747,680,136,226.64
  5. Step 5: Solve for x
    x = 1,747,680,136,226.64/1,087,309.20
  6. Step 6: Final answer
    x = 1,607,344.20

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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.