Home / 827,885.30-1,240,843.80-743,248.40

Finding the Fourth Proportional to 827,885.30, 1,240,843.80 and 743,248.40

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Solution

The fourth proportional to 827,885.30, 1,240,843.80 and 743,248.40 is: 1,113,989.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,885.30 : 1,240,843.80 = 743,248.40 : x
  2. Step 2: Convert to fraction form
    827,885.30/1,240,843.80 = 743,248.40/x
  3. Step 3: Cross multiply
    827,885.30x = 1,240,843.80 × 743,248.40
  4. Step 4: Simplify right side
    827,885.30x = 922,255,168,999.92
  5. Step 5: Solve for x
    x = 922,255,168,999.92/827,885.30
  6. Step 6: Final answer
    x = 1,113,989.06

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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.