Home / 1,991,272.03-2,986,888.60-571,335.55

Finding the Fourth Proportional to 1,991,272.03, 2,986,888.60 and 571,335.55

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Solution

The fourth proportional to 1,991,272.03, 2,986,888.60 and 571,335.55 is: 856,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,272.03 : 2,986,888.60 = 571,335.55 : x
  2. Step 2: Convert to fraction form
    1,991,272.03/2,986,888.60 = 571,335.55/x
  3. Step 3: Cross multiply
    1,991,272.03x = 2,986,888.60 × 571,335.55
  4. Step 4: Simplify right side
    1,991,272.03x = 1,706,515,624,706.95
  5. Step 5: Solve for x
    x = 1,706,515,624,706.95/1,991,272.03
  6. Step 6: Final answer
    x = 856,997.74

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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.