Home / 1,127,354.03-1,691,311.30-328,642.59

Finding the Fourth Proportional to 1,127,354.03, 1,691,311.30 and 328,642.59

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Solution

The fourth proportional to 1,127,354.03, 1,691,311.30 and 328,642.59 is: 493,045.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,354.03 : 1,691,311.30 = 328,642.59 : x
  2. Step 2: Convert to fraction form
    1,127,354.03/1,691,311.30 = 328,642.59/x
  3. Step 3: Cross multiply
    1,127,354.03x = 1,691,311.30 × 328,642.59
  4. Step 4: Simplify right side
    1,127,354.03x = 555,836,931,649.08
  5. Step 5: Solve for x
    x = 555,836,931,649.08/1,127,354.03
  6. Step 6: Final answer
    x = 493,045.59

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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.