Home / 1,490,914.20-2,236,371.30-493,642.20

Finding the Fourth Proportional to 1,490,914.20, 2,236,371.30 and 493,642.20

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Solution

The fourth proportional to 1,490,914.20, 2,236,371.30 and 493,642.20 is: 740,463.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,914.20 : 2,236,371.30 = 493,642.20 : x
  2. Step 2: Convert to fraction form
    1,490,914.20/2,236,371.30 = 493,642.20/x
  3. Step 3: Cross multiply
    1,490,914.20x = 2,236,371.30 × 493,642.20
  4. Step 4: Simplify right side
    1,490,914.20x = 1,103,967,248,548.86
  5. Step 5: Solve for x
    x = 1,103,967,248,548.86/1,490,914.20
  6. Step 6: Final answer
    x = 740,463.30

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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.