Home / 880,935.70-1,321,403.55-725,415.70

Finding the Fourth Proportional to 880,935.70, 1,321,403.55 and 725,415.70

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Solution

The fourth proportional to 880,935.70, 1,321,403.55 and 725,415.70 is: 1,088,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,935.70 : 1,321,403.55 = 725,415.70 : x
  2. Step 2: Convert to fraction form
    880,935.70/1,321,403.55 = 725,415.70/x
  3. Step 3: Cross multiply
    880,935.70x = 1,321,403.55 × 725,415.70
  4. Step 4: Simplify right side
    880,935.70x = 958,566,881,205.74
  5. Step 5: Solve for x
    x = 958,566,881,205.74/880,935.70
  6. Step 6: Final answer
    x = 1,088,123.55

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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.