Home / 1,034,640.92-1,427,928.75-626,730.78

Finding the Fourth Proportional to 1,034,640.92, 1,427,928.75 and 626,730.78

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Solution

The fourth proportional to 1,034,640.92, 1,427,928.75 and 626,730.78 is: 864,963.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,640.92 : 1,427,928.75 = 626,730.78 : x
  2. Step 2: Convert to fraction form
    1,034,640.92/1,427,928.75 = 626,730.78/x
  3. Step 3: Cross multiply
    1,034,640.92x = 1,427,928.75 × 626,730.78
  4. Step 4: Simplify right side
    1,034,640.92x = 894,926,899,271.93
  5. Step 5: Solve for x
    x = 894,926,899,271.93/1,034,640.92
  6. Step 6: Final answer
    x = 864,963.76

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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.