Home / 1,564,480.73-2,347,708.32-665,921.02

Finding the Fourth Proportional to 1,564,480.73, 2,347,708.32 and 665,921.02

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Solution

The fourth proportional to 1,564,480.73, 2,347,708.32 and 665,921.02 is: 999,301.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,480.73 : 2,347,708.32 = 665,921.02 : x
  2. Step 2: Convert to fraction form
    1,564,480.73/2,347,708.32 = 665,921.02/x
  3. Step 3: Cross multiply
    1,564,480.73x = 2,347,708.32 × 665,921.02
  4. Step 4: Simplify right side
    1,564,480.73x = 1,563,388,321,443.18
  5. Step 5: Solve for x
    x = 1,563,388,321,443.18/1,564,480.73
  6. Step 6: Final answer
    x = 999,301.75

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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.