Home / 1,445,410.80-2,168,116.20-1,356,837.30

Finding the Fourth Proportional to 1,445,410.80, 2,168,116.20 and 1,356,837.30

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Solution

The fourth proportional to 1,445,410.80, 2,168,116.20 and 1,356,837.30 is: 2,035,255.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,410.80 : 2,168,116.20 = 1,356,837.30 : x
  2. Step 2: Convert to fraction form
    1,445,410.80/2,168,116.20 = 1,356,837.30/x
  3. Step 3: Cross multiply
    1,445,410.80x = 2,168,116.20 × 1,356,837.30
  4. Step 4: Simplify right side
    1,445,410.80x = 2,941,780,930,894.26
  5. Step 5: Solve for x
    x = 2,941,780,930,894.26/1,445,410.80
  6. Step 6: Final answer
    x = 2,035,255.95

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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.