Home / 1,220,073.74-1,683,701.93-676,244.60

Finding the Fourth Proportional to 1,220,073.74, 1,683,701.93 and 676,244.60

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Solution

The fourth proportional to 1,220,073.74, 1,683,701.93 and 676,244.60 is: 933,217.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,073.74 : 1,683,701.93 = 676,244.60 : x
  2. Step 2: Convert to fraction form
    1,220,073.74/1,683,701.93 = 676,244.60/x
  3. Step 3: Cross multiply
    1,220,073.74x = 1,683,701.93 × 676,244.60
  4. Step 4: Simplify right side
    1,220,073.74x = 1,138,594,326,372.35
  5. Step 5: Solve for x
    x = 1,138,594,326,372.35/1,220,073.74
  6. Step 6: Final answer
    x = 933,217.64

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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.