Home / 1,418,468.76-2,128,589.10-945,486.36

Finding the Fourth Proportional to 1,418,468.76, 2,128,589.10 and 945,486.36

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Solution

The fourth proportional to 1,418,468.76, 2,128,589.10 and 945,486.36 is: 1,418,820.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,468.76 : 2,128,589.10 = 945,486.36 : x
  2. Step 2: Convert to fraction form
    1,418,468.76/2,128,589.10 = 945,486.36/x
  3. Step 3: Cross multiply
    1,418,468.76x = 2,128,589.10 × 945,486.36
  4. Step 4: Simplify right side
    1,418,468.76x = 2,012,551,960,094.68
  5. Step 5: Solve for x
    x = 2,012,551,960,094.68/1,418,468.76
  6. Step 6: Final answer
    x = 1,418,820.08

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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.