Home / 844,647.40-1,266,971.10-788,660.20

Finding the Fourth Proportional to 844,647.40, 1,266,971.10 and 788,660.20

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Solution

The fourth proportional to 844,647.40, 1,266,971.10 and 788,660.20 is: 1,182,990.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,647.40 : 1,266,971.10 = 788,660.20 : x
  2. Step 2: Convert to fraction form
    844,647.40/1,266,971.10 = 788,660.20/x
  3. Step 3: Cross multiply
    844,647.40x = 1,266,971.10 × 788,660.20
  4. Step 4: Simplify right side
    844,647.40x = 999,209,681,120.22
  5. Step 5: Solve for x
    x = 999,209,681,120.22/844,647.40
  6. Step 6: Final answer
    x = 1,182,990.30

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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.