Home / 1,007,220-1,389,918.25-548,322.83

Finding the Fourth Proportional to 1,007,220, 1,389,918.25 and 548,322.83

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Solution

The fourth proportional to 1,007,220, 1,389,918.25 and 548,322.83 is: 756,660.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,220 : 1,389,918.25 = 548,322.83 : x
  2. Step 2: Convert to fraction form
    1,007,220/1,389,918.25 = 548,322.83/x
  3. Step 3: Cross multiply
    1,007,220x = 1,389,918.25 × 548,322.83
  4. Step 4: Simplify right side
    1,007,220x = 762,123,908,308.65
  5. Step 5: Solve for x
    x = 762,123,908,308.65/1,007,220
  6. Step 6: Final answer
    x = 756,660.82

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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.