Home / 1,381,252.78-2,071,682.34-434,598.90

Finding the Fourth Proportional to 1,381,252.78, 2,071,682.34 and 434,598.90

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Solution

The fourth proportional to 1,381,252.78, 2,071,682.34 and 434,598.90 is: 651,836.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,252.78 : 2,071,682.34 = 434,598.90 : x
  2. Step 2: Convert to fraction form
    1,381,252.78/2,071,682.34 = 434,598.90/x
  3. Step 3: Cross multiply
    1,381,252.78x = 2,071,682.34 × 434,598.90
  4. Step 4: Simplify right side
    1,381,252.78x = 900,350,866,113.43
  5. Step 5: Solve for x
    x = 900,350,866,113.43/1,381,252.78
  6. Step 6: Final answer
    x = 651,836.42

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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.