Home / 1,242,029.10-1,861,731.45-708,401.10

Finding the Fourth Proportional to 1,242,029.10, 1,861,731.45 and 708,401.10

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Solution

The fourth proportional to 1,242,029.10, 1,861,731.45 and 708,401.10 is: 1,061,853.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,029.10 : 1,861,731.45 = 708,401.10 : x
  2. Step 2: Convert to fraction form
    1,242,029.10/1,861,731.45 = 708,401.10/x
  3. Step 3: Cross multiply
    1,242,029.10x = 1,861,731.45 × 708,401.10
  4. Step 4: Simplify right side
    1,242,029.10x = 1,318,852,607,084.60
  5. Step 5: Solve for x
    x = 1,318,852,607,084.60/1,242,029.10
  6. Step 6: Final answer
    x = 1,061,853.23

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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.