Home / 1,158,043.20-1,736,287.20-618,388.80

Finding the Fourth Proportional to 1,158,043.20, 1,736,287.20 and 618,388.80

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Solution

The fourth proportional to 1,158,043.20, 1,736,287.20 and 618,388.80 is: 927,167.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,043.20 : 1,736,287.20 = 618,388.80 : x
  2. Step 2: Convert to fraction form
    1,158,043.20/1,736,287.20 = 618,388.80/x
  3. Step 3: Cross multiply
    1,158,043.20x = 1,736,287.20 × 618,388.80
  4. Step 4: Simplify right side
    1,158,043.20x = 1,073,700,558,063.36
  5. Step 5: Solve for x
    x = 1,073,700,558,063.36/1,158,043.20
  6. Step 6: Final answer
    x = 927,167.97

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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.