Home / 1,361,247.71-1,878,631.66-780,524.87

Finding the Fourth Proportional to 1,361,247.71, 1,878,631.66 and 780,524.87

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Solution

The fourth proportional to 1,361,247.71, 1,878,631.66 and 780,524.87 is: 1,077,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,247.71 : 1,878,631.66 = 780,524.87 : x
  2. Step 2: Convert to fraction form
    1,361,247.71/1,878,631.66 = 780,524.87/x
  3. Step 3: Cross multiply
    1,361,247.71x = 1,878,631.66 × 780,524.87
  4. Step 4: Simplify right side
    1,361,247.71x = 1,466,318,734,944.65
  5. Step 5: Solve for x
    x = 1,466,318,734,944.65/1,361,247.71
  6. Step 6: Final answer
    x = 1,077,187.30

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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.