Home / 918,019.30-1,374,404.55-823,540.90

Finding the Fourth Proportional to 918,019.30, 1,374,404.55 and 823,540.90

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Solution

The fourth proportional to 918,019.30, 1,374,404.55 and 823,540.90 is: 1,232,957.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,019.30 : 1,374,404.55 = 823,540.90 : x
  2. Step 2: Convert to fraction form
    918,019.30/1,374,404.55 = 823,540.90/x
  3. Step 3: Cross multiply
    918,019.30x = 1,374,404.55 × 823,540.90
  4. Step 4: Simplify right side
    918,019.30x = 1,131,878,360,071.10
  5. Step 5: Solve for x
    x = 1,131,878,360,071.10/918,019.30
  6. Step 6: Final answer
    x = 1,232,957.04

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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.