Home / 1,384,892.16-2,074,577.76-910,138.20

Finding the Fourth Proportional to 1,384,892.16, 2,074,577.76 and 910,138.20

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Solution

The fourth proportional to 1,384,892.16, 2,074,577.76 and 910,138.20 is: 1,363,393.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,892.16 : 2,074,577.76 = 910,138.20 : x
  2. Step 2: Convert to fraction form
    1,384,892.16/2,074,577.76 = 910,138.20/x
  3. Step 3: Cross multiply
    1,384,892.16x = 2,074,577.76 × 910,138.20
  4. Step 4: Simplify right side
    1,384,892.16x = 1,888,152,468,246.43
  5. Step 5: Solve for x
    x = 1,888,152,468,246.43/1,384,892.16
  6. Step 6: Final answer
    x = 1,363,393.14

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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.