Home / 1,157,286.40-1,734,662.40-408,947.20

Finding the Fourth Proportional to 1,157,286.40, 1,734,662.40 and 408,947.20

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Solution

The fourth proportional to 1,157,286.40, 1,734,662.40 and 408,947.20 is: 612,973.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,286.40 : 1,734,662.40 = 408,947.20 : x
  2. Step 2: Convert to fraction form
    1,157,286.40/1,734,662.40 = 408,947.20/x
  3. Step 3: Cross multiply
    1,157,286.40x = 1,734,662.40 × 408,947.20
  4. Step 4: Simplify right side
    1,157,286.40x = 709,385,331,425.28
  5. Step 5: Solve for x
    x = 709,385,331,425.28/1,157,286.40
  6. Step 6: Final answer
    x = 612,973.01

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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.