Home / 1,220,053.64-1,683,674.19-676,224.50

Finding the Fourth Proportional to 1,220,053.64, 1,683,674.19 and 676,224.50

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Solution

The fourth proportional to 1,220,053.64, 1,683,674.19 and 676,224.50 is: 933,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,053.64 : 1,683,674.19 = 676,224.50 : x
  2. Step 2: Convert to fraction form
    1,220,053.64/1,683,674.19 = 676,224.50/x
  3. Step 3: Cross multiply
    1,220,053.64x = 1,683,674.19 × 676,224.50
  4. Step 4: Simplify right side
    1,220,053.64x = 1,138,541,737,295.66
  5. Step 5: Solve for x
    x = 1,138,541,737,295.66/1,220,053.64
  6. Step 6: Final answer
    x = 933,189.90

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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.