Home / 1,323,276.90-1,984,915.35-1,207,803.30

Finding the Fourth Proportional to 1,323,276.90, 1,984,915.35 and 1,207,803.30

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Solution

The fourth proportional to 1,323,276.90, 1,984,915.35 and 1,207,803.30 is: 1,811,704.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,276.90 : 1,984,915.35 = 1,207,803.30 : x
  2. Step 2: Convert to fraction form
    1,323,276.90/1,984,915.35 = 1,207,803.30/x
  3. Step 3: Cross multiply
    1,323,276.90x = 1,984,915.35 × 1,207,803.30
  4. Step 4: Simplify right side
    1,323,276.90x = 2,397,387,309,950.66
  5. Step 5: Solve for x
    x = 2,397,387,309,950.66/1,323,276.90
  6. Step 6: Final answer
    x = 1,811,704.95

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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.