Home / 1,445,236.20-1,994,398.98-872,300.52

Finding the Fourth Proportional to 1,445,236.20, 1,994,398.98 and 872,300.52

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Solution

The fourth proportional to 1,445,236.20, 1,994,398.98 and 872,300.52 is: 1,203,758.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,236.20 : 1,994,398.98 = 872,300.52 : x
  2. Step 2: Convert to fraction form
    1,445,236.20/1,994,398.98 = 872,300.52/x
  3. Step 3: Cross multiply
    1,445,236.20x = 1,994,398.98 × 872,300.52
  4. Step 4: Simplify right side
    1,445,236.20x = 1,739,715,267,341.47
  5. Step 5: Solve for x
    x = 1,739,715,267,341.47/1,445,236.20
  6. Step 6: Final answer
    x = 1,203,758.44

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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.