Home / 1,147,600.20-1,721,465.10-348,907.80

Finding the Fourth Proportional to 1,147,600.20, 1,721,465.10 and 348,907.80

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Solution

The fourth proportional to 1,147,600.20, 1,721,465.10 and 348,907.80 is: 523,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,600.20 : 1,721,465.10 = 348,907.80 : x
  2. Step 2: Convert to fraction form
    1,147,600.20/1,721,465.10 = 348,907.80/x
  3. Step 3: Cross multiply
    1,147,600.20x = 1,721,465.10 × 348,907.80
  4. Step 4: Simplify right side
    1,147,600.20x = 600,632,600,817.78
  5. Step 5: Solve for x
    x = 600,632,600,817.78/1,147,600.20
  6. Step 6: Final answer
    x = 523,381.40

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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.