Home / 1,087,372.28-1,631,259.20-357,936.72

Finding the Fourth Proportional to 1,087,372.28, 1,631,259.20 and 357,936.72

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Solution

The fourth proportional to 1,087,372.28, 1,631,259.20 and 357,936.72 is: 536,971.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,372.28 : 1,631,259.20 = 357,936.72 : x
  2. Step 2: Convert to fraction form
    1,087,372.28/1,631,259.20 = 357,936.72/x
  3. Step 3: Cross multiply
    1,087,372.28x = 1,631,259.20 × 357,936.72
  4. Step 4: Simplify right side
    1,087,372.28x = 583,887,567,517.82
  5. Step 5: Solve for x
    x = 583,887,567,517.82/1,087,372.28
  6. Step 6: Final answer
    x = 536,971.17

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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.