Home / 1,791,985.28-2,472,938.61-987,169.28

Finding the Fourth Proportional to 1,791,985.28, 2,472,938.61 and 987,169.28

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Solution

The fourth proportional to 1,791,985.28, 2,472,938.61 and 987,169.28 is: 1,362,293.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,985.28 : 2,472,938.61 = 987,169.28 : x
  2. Step 2: Convert to fraction form
    1,791,985.28/2,472,938.61 = 987,169.28/x
  3. Step 3: Cross multiply
    1,791,985.28x = 2,472,938.61 × 987,169.28
  4. Step 4: Simplify right side
    1,791,985.28x = 2,441,209,027,117.90
  5. Step 5: Solve for x
    x = 2,441,209,027,117.90/1,791,985.28
  6. Step 6: Final answer
    x = 1,362,293.01

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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.