Home / 1,490,288-2,235,642.24-479,071.04

Finding the Fourth Proportional to 1,490,288, 2,235,642.24 and 479,071.04

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Solution

The fourth proportional to 1,490,288, 2,235,642.24 and 479,071.04 is: 718,674.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,288 : 2,235,642.24 = 479,071.04 : x
  2. Step 2: Convert to fraction form
    1,490,288/2,235,642.24 = 479,071.04/x
  3. Step 3: Cross multiply
    1,490,288x = 2,235,642.24 × 479,071.04
  4. Step 4: Simplify right side
    1,490,288x = 1,071,031,452,984.73
  5. Step 5: Solve for x
    x = 1,071,031,452,984.73/1,490,288
  6. Step 6: Final answer
    x = 718,674.14

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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.