Home / 1,603,350.80-2,212,008.50-915,060.89

Finding the Fourth Proportional to 1,603,350.80, 2,212,008.50 and 915,060.89

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Solution

The fourth proportional to 1,603,350.80, 2,212,008.50 and 915,060.89 is: 1,262,432.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,350.80 : 2,212,008.50 = 915,060.89 : x
  2. Step 2: Convert to fraction form
    1,603,350.80/2,212,008.50 = 915,060.89/x
  3. Step 3: Cross multiply
    1,603,350.80x = 2,212,008.50 × 915,060.89
  4. Step 4: Simplify right side
    1,603,350.80x = 2,024,122,451,062.22
  5. Step 5: Solve for x
    x = 2,024,122,451,062.22/1,603,350.80
  6. Step 6: Final answer
    x = 1,262,432.69

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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.