Home / 1,220,169.42-1,683,934.52-676,475.75

Finding the Fourth Proportional to 1,220,169.42, 1,683,934.52 and 676,475.75

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Solution

The fourth proportional to 1,220,169.42, 1,683,934.52 and 676,475.75 is: 933,592.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,169.42 : 1,683,934.52 = 676,475.75 : x
  2. Step 2: Convert to fraction form
    1,220,169.42/1,683,934.52 = 676,475.75/x
  3. Step 3: Cross multiply
    1,220,169.42x = 1,683,934.52 × 676,475.75
  4. Step 4: Simplify right side
    1,220,169.42x = 1,139,140,868,195.35
  5. Step 5: Solve for x
    x = 1,139,140,868,195.35/1,220,169.42
  6. Step 6: Final answer
    x = 933,592.38

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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.