Home / 1,010,861.48-1,394,652.98-666,868.20

Finding the Fourth Proportional to 1,010,861.48, 1,394,652.98 and 666,868.20

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Solution

The fourth proportional to 1,010,861.48, 1,394,652.98 and 666,868.20 is: 920,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,861.48 : 1,394,652.98 = 666,868.20 : x
  2. Step 2: Convert to fraction form
    1,010,861.48/1,394,652.98 = 666,868.20/x
  3. Step 3: Cross multiply
    1,010,861.48x = 1,394,652.98 × 666,868.20
  4. Step 4: Simplify right side
    1,010,861.48x = 930,049,722,397.24
  5. Step 5: Solve for x
    x = 930,049,722,397.24/1,010,861.48
  6. Step 6: Final answer
    x = 920,056.55

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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.