Home / 1,838,402.52-2,756,718.03-640,298.31

Finding the Fourth Proportional to 1,838,402.52, 2,756,718.03 and 640,298.31

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Solution

The fourth proportional to 1,838,402.52, 2,756,718.03 and 640,298.31 is: 960,138.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,402.52 : 2,756,718.03 = 640,298.31 : x
  2. Step 2: Convert to fraction form
    1,838,402.52/2,756,718.03 = 640,298.31/x
  3. Step 3: Cross multiply
    1,838,402.52x = 2,756,718.03 × 640,298.31
  4. Step 4: Simplify right side
    1,838,402.52x = 1,765,121,895,755.53
  5. Step 5: Solve for x
    x = 1,765,121,895,755.53/1,838,402.52
  6. Step 6: Final answer
    x = 960,138.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.