Home / 1,142,836.32-1,577,079.76-626,579.52

Finding the Fourth Proportional to 1,142,836.32, 1,577,079.76 and 626,579.52

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Solution

The fourth proportional to 1,142,836.32, 1,577,079.76 and 626,579.52 is: 864,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,836.32 : 1,577,079.76 = 626,579.52 : x
  2. Step 2: Convert to fraction form
    1,142,836.32/1,577,079.76 = 626,579.52/x
  3. Step 3: Cross multiply
    1,142,836.32x = 1,577,079.76 × 626,579.52
  4. Step 4: Simplify right side
    1,142,836.32x = 988,165,879,022.52
  5. Step 5: Solve for x
    x = 988,165,879,022.52/1,142,836.32
  6. Step 6: Final answer
    x = 864,660.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.