Home / 1,001,388-1,381,947.84-548,708.16

Finding the Fourth Proportional to 1,001,388, 1,381,947.84 and 548,708.16

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Solution

The fourth proportional to 1,001,388, 1,381,947.84 and 548,708.16 is: 757,235.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,388 : 1,381,947.84 = 548,708.16 : x
  2. Step 2: Convert to fraction form
    1,001,388/1,381,947.84 = 548,708.16/x
  3. Step 3: Cross multiply
    1,001,388x = 1,381,947.84 × 548,708.16
  4. Step 4: Simplify right side
    1,001,388x = 758,286,056,502.38
  5. Step 5: Solve for x
    x = 758,286,056,502.38/1,001,388
  6. Step 6: Final answer
    x = 757,235.01

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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.