Home / 987,069.72-1,362,156.68-534,360.72

Finding the Fourth Proportional to 987,069.72, 1,362,156.68 and 534,360.72

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Solution

The fourth proportional to 987,069.72, 1,362,156.68 and 534,360.72 is: 737,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,069.72 : 1,362,156.68 = 534,360.72 : x
  2. Step 2: Convert to fraction form
    987,069.72/1,362,156.68 = 534,360.72/x
  3. Step 3: Cross multiply
    987,069.72x = 1,362,156.68 × 534,360.72
  4. Step 4: Simplify right side
    987,069.72x = 727,883,024,277.61
  5. Step 5: Solve for x
    x = 727,883,024,277.61/987,069.72
  6. Step 6: Final answer
    x = 737,418.05

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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.