Home / 1,147,712.20-1,721,568.30-616,271.20

Finding the Fourth Proportional to 1,147,712.20, 1,721,568.30 and 616,271.20

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Solution

The fourth proportional to 1,147,712.20, 1,721,568.30 and 616,271.20 is: 924,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,712.20 : 1,721,568.30 = 616,271.20 : x
  2. Step 2: Convert to fraction form
    1,147,712.20/1,721,568.30 = 616,271.20/x
  3. Step 3: Cross multiply
    1,147,712.20x = 1,721,568.30 × 616,271.20
  4. Step 4: Simplify right side
    1,147,712.20x = 1,060,952,962,122.96
  5. Step 5: Solve for x
    x = 1,060,952,962,122.96/1,147,712.20
  6. Step 6: Final answer
    x = 924,406.80

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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.