Home / 1,340,981.12-1,998,838.90-1,233,364.16

Finding the Fourth Proportional to 1,340,981.12, 1,998,838.90 and 1,233,364.16

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Solution

The fourth proportional to 1,340,981.12, 1,998,838.90 and 1,233,364.16 is: 1,838,427.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,981.12 : 1,998,838.90 = 1,233,364.16 : x
  2. Step 2: Convert to fraction form
    1,340,981.12/1,998,838.90 = 1,233,364.16/x
  3. Step 3: Cross multiply
    1,340,981.12x = 1,998,838.90 × 1,233,364.16
  4. Step 4: Simplify right side
    1,340,981.12x = 2,465,296,260,873.82
  5. Step 5: Solve for x
    x = 2,465,296,260,873.82/1,340,981.12
  6. Step 6: Final answer
    x = 1,838,427.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.