Home / 1,680,655.78-2,520,637.84-482,311

Finding the Fourth Proportional to 1,680,655.78, 2,520,637.84 and 482,311

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Solution

The fourth proportional to 1,680,655.78, 2,520,637.84 and 482,311 is: 723,367.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,655.78 : 2,520,637.84 = 482,311 : x
  2. Step 2: Convert to fraction form
    1,680,655.78/2,520,637.84 = 482,311/x
  3. Step 3: Cross multiply
    1,680,655.78x = 2,520,637.84 × 482,311
  4. Step 4: Simplify right side
    1,680,655.78x = 1,215,731,357,248.24
  5. Step 5: Solve for x
    x = 1,215,731,357,248.24/1,680,655.78
  6. Step 6: Final answer
    x = 723,367.25

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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.