Home / 880,847.40-1,321,271.10-739,129.80

Finding the Fourth Proportional to 880,847.40, 1,321,271.10 and 739,129.80

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Solution

The fourth proportional to 880,847.40, 1,321,271.10 and 739,129.80 is: 1,108,694.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,847.40 : 1,321,271.10 = 739,129.80 : x
  2. Step 2: Convert to fraction form
    880,847.40/1,321,271.10 = 739,129.80/x
  3. Step 3: Cross multiply
    880,847.40x = 1,321,271.10 × 739,129.80
  4. Step 4: Simplify right side
    880,847.40x = 976,590,843,888.78
  5. Step 5: Solve for x
    x = 976,590,843,888.78/880,847.40
  6. Step 6: Final answer
    x = 1,108,694.70

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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.