Home / 896,122.40-1,342,628.40-756,154.40

Finding the Fourth Proportional to 896,122.40, 1,342,628.40 and 756,154.40

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Solution

The fourth proportional to 896,122.40, 1,342,628.40 and 756,154.40 is: 1,132,919.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,122.40 : 1,342,628.40 = 756,154.40 : x
  2. Step 2: Convert to fraction form
    896,122.40/1,342,628.40 = 756,154.40/x
  3. Step 3: Cross multiply
    896,122.40x = 1,342,628.40 × 756,154.40
  4. Step 4: Simplify right side
    896,122.40x = 1,015,234,372,224.96
  5. Step 5: Solve for x
    x = 1,015,234,372,224.96/896,122.40
  6. Step 6: Final answer
    x = 1,132,919.31

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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.