Home / 1,000,744.20-1,379,654.19-633,038.40

Finding the Fourth Proportional to 1,000,744.20, 1,379,654.19 and 633,038.40

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Solution

The fourth proportional to 1,000,744.20, 1,379,654.19 and 633,038.40 is: 872,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,744.20 : 1,379,654.19 = 633,038.40 : x
  2. Step 2: Convert to fraction form
    1,000,744.20/1,379,654.19 = 633,038.40/x
  3. Step 3: Cross multiply
    1,000,744.20x = 1,379,654.19 × 633,038.40
  4. Step 4: Simplify right side
    1,000,744.20x = 873,374,080,990.90
  5. Step 5: Solve for x
    x = 873,374,080,990.90/1,000,744.20
  6. Step 6: Final answer
    x = 872,724.60

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1.5x scale

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.