Home / 1,155,724.02-1,594,868.40-639,464.43

Finding the Fourth Proportional to 1,155,724.02, 1,594,868.40 and 639,464.43

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Solution

The fourth proportional to 1,155,724.02, 1,594,868.40 and 639,464.43 is: 882,443.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,724.02 : 1,594,868.40 = 639,464.43 : x
  2. Step 2: Convert to fraction form
    1,155,724.02/1,594,868.40 = 639,464.43/x
  3. Step 3: Cross multiply
    1,155,724.02x = 1,594,868.40 × 639,464.43
  4. Step 4: Simplify right side
    1,155,724.02x = 1,019,861,612,331.01
  5. Step 5: Solve for x
    x = 1,019,861,612,331.01/1,155,724.02
  6. Step 6: Final answer
    x = 882,443.90

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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.