Home / 1,152,002.30-1,728,003.45-816,079.10

Finding the Fourth Proportional to 1,152,002.30, 1,728,003.45 and 816,079.10

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Solution

The fourth proportional to 1,152,002.30, 1,728,003.45 and 816,079.10 is: 1,224,118.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,002.30 : 1,728,003.45 = 816,079.10 : x
  2. Step 2: Convert to fraction form
    1,152,002.30/1,728,003.45 = 816,079.10/x
  3. Step 3: Cross multiply
    1,152,002.30x = 1,728,003.45 × 816,079.10
  4. Step 4: Simplify right side
    1,152,002.30x = 1,410,187,500,272.90
  5. Step 5: Solve for x
    x = 1,410,187,500,272.90/1,152,002.30
  6. Step 6: Final answer
    x = 1,224,118.65

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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.