Home / 1,436,305.42-1,982,280.90-824,649.72

Finding the Fourth Proportional to 1,436,305.42, 1,982,280.90 and 824,649.72

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Solution

The fourth proportional to 1,436,305.42, 1,982,280.90 and 824,649.72 is: 1,138,119.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,305.42 : 1,982,280.90 = 824,649.72 : x
  2. Step 2: Convert to fraction form
    1,436,305.42/1,982,280.90 = 824,649.72/x
  3. Step 3: Cross multiply
    1,436,305.42x = 1,982,280.90 × 824,649.72
  4. Step 4: Simplify right side
    1,436,305.42x = 1,634,687,389,146.35
  5. Step 5: Solve for x
    x = 1,634,687,389,146.35/1,436,305.42
  6. Step 6: Final answer
    x = 1,138,119.63

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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.