Home / 1,195,834.34-1,649,318.28-766,154.72

Finding the Fourth Proportional to 1,195,834.34, 1,649,318.28 and 766,154.72

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Solution

The fourth proportional to 1,195,834.34, 1,649,318.28 and 766,154.72 is: 1,056,695.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,834.34 : 1,649,318.28 = 766,154.72 : x
  2. Step 2: Convert to fraction form
    1,195,834.34/1,649,318.28 = 766,154.72/x
  3. Step 3: Cross multiply
    1,195,834.34x = 1,649,318.28 × 766,154.72
  4. Step 4: Simplify right side
    1,195,834.34x = 1,263,632,985,004.28
  5. Step 5: Solve for x
    x = 1,263,632,985,004.28/1,195,834.34
  6. Step 6: Final answer
    x = 1,056,695.68

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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.