Home / 1,223,947.20-1,835,920.45-382,498.95

Finding the Fourth Proportional to 1,223,947.20, 1,835,920.45 and 382,498.95

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Solution

The fourth proportional to 1,223,947.20, 1,835,920.45 and 382,498.95 is: 573,748.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,947.20 : 1,835,920.45 = 382,498.95 : x
  2. Step 2: Convert to fraction form
    1,223,947.20/1,835,920.45 = 382,498.95/x
  3. Step 3: Cross multiply
    1,223,947.20x = 1,835,920.45 × 382,498.95
  4. Step 4: Simplify right side
    1,223,947.20x = 702,237,644,408.53
  5. Step 5: Solve for x
    x = 702,237,644,408.53/1,223,947.20
  6. Step 6: Final answer
    x = 573,748.32

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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.