Home / 1,432,058.27-1,976,238-820,409.04

Finding the Fourth Proportional to 1,432,058.27, 1,976,238 and 820,409.04

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Solution

The fourth proportional to 1,432,058.27, 1,976,238 and 820,409.04 is: 1,132,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,058.27 : 1,976,238 = 820,409.04 : x
  2. Step 2: Convert to fraction form
    1,432,058.27/1,976,238 = 820,409.04/x
  3. Step 3: Cross multiply
    1,432,058.27x = 1,976,238 × 820,409.04
  4. Step 4: Simplify right side
    1,432,058.27x = 1,621,323,520,391.52
  5. Step 5: Solve for x
    x = 1,621,323,520,391.52/1,432,058.27
  6. Step 6: Final answer
    x = 1,132,163.10

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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.