Home / 1,004,280.26-1,385,902.31-545,391.23

Finding the Fourth Proportional to 1,004,280.26, 1,385,902.31 and 545,391.23

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Solution

The fourth proportional to 1,004,280.26, 1,385,902.31 and 545,391.23 is: 752,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,280.26 : 1,385,902.31 = 545,391.23 : x
  2. Step 2: Convert to fraction form
    1,004,280.26/1,385,902.31 = 545,391.23/x
  3. Step 3: Cross multiply
    1,004,280.26x = 1,385,902.31 × 545,391.23
  4. Step 4: Simplify right side
    1,004,280.26x = 755,858,955,854.27
  5. Step 5: Solve for x
    x = 755,858,955,854.27/1,004,280.26
  6. Step 6: Final answer
    x = 752,637.48

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Double scale
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1.5x scale

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.