Home / 1,280,680.32-1,767,406.86-736,898.70

Finding the Fourth Proportional to 1,280,680.32, 1,767,406.86 and 736,898.70

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Solution

The fourth proportional to 1,280,680.32, 1,767,406.86 and 736,898.70 is: 1,016,959.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,680.32 : 1,767,406.86 = 736,898.70 : x
  2. Step 2: Convert to fraction form
    1,280,680.32/1,767,406.86 = 736,898.70/x
  3. Step 3: Cross multiply
    1,280,680.32x = 1,767,406.86 × 736,898.70
  4. Step 4: Simplify right side
    1,280,680.32x = 1,302,399,817,505.08
  5. Step 5: Solve for x
    x = 1,302,399,817,505.08/1,280,680.32
  6. Step 6: Final answer
    x = 1,016,959.34

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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.