Home / 1,155,352.19-1,594,247.09-665,481.02

Finding the Fourth Proportional to 1,155,352.19, 1,594,247.09 and 665,481.02

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Solution

The fourth proportional to 1,155,352.19, 1,594,247.09 and 665,481.02 is: 918,283.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,352.19 : 1,594,247.09 = 665,481.02 : x
  2. Step 2: Convert to fraction form
    1,155,352.19/1,594,247.09 = 665,481.02/x
  3. Step 3: Cross multiply
    1,155,352.19x = 1,594,247.09 × 665,481.02
  4. Step 4: Simplify right side
    1,155,352.19x = 1,060,941,176,257.83
  5. Step 5: Solve for x
    x = 1,060,941,176,257.83/1,155,352.19
  6. Step 6: Final answer
    x = 918,283.78

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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.