Home / 1,123,667.80-1,685,720.40-324,975.40

Finding the Fourth Proportional to 1,123,667.80, 1,685,720.40 and 324,975.40

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Solution

The fourth proportional to 1,123,667.80, 1,685,720.40 and 324,975.40 is: 487,526.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,667.80 : 1,685,720.40 = 324,975.40 : x
  2. Step 2: Convert to fraction form
    1,123,667.80/1,685,720.40 = 324,975.40/x
  3. Step 3: Cross multiply
    1,123,667.80x = 1,685,720.40 × 324,975.40
  4. Step 4: Simplify right side
    1,123,667.80x = 547,817,661,278.16
  5. Step 5: Solve for x
    x = 547,817,661,278.16/1,123,667.80
  6. Step 6: Final answer
    x = 487,526.35

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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.