Home / 1,122,101.60-1,683,735.60-491,079.20

Finding the Fourth Proportional to 1,122,101.60, 1,683,735.60 and 491,079.20

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Solution

The fourth proportional to 1,122,101.60, 1,683,735.60 and 491,079.20 is: 736,874.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,101.60 : 1,683,735.60 = 491,079.20 : x
  2. Step 2: Convert to fraction form
    1,122,101.60/1,683,735.60 = 491,079.20/x
  3. Step 3: Cross multiply
    1,122,101.60x = 1,683,735.60 × 491,079.20
  4. Step 4: Simplify right side
    1,122,101.60x = 826,847,531,459.52
  5. Step 5: Solve for x
    x = 826,847,531,459.52/1,122,101.60
  6. Step 6: Final answer
    x = 736,874.03

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1.5x scale

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.