Home / 1,721,378.80-2,582,165.40-523,340.20

Finding the Fourth Proportional to 1,721,378.80, 2,582,165.40 and 523,340.20

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Solution

The fourth proportional to 1,721,378.80, 2,582,165.40 and 523,340.20 is: 785,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,378.80 : 2,582,165.40 = 523,340.20 : x
  2. Step 2: Convert to fraction form
    1,721,378.80/2,582,165.40 = 523,340.20/x
  3. Step 3: Cross multiply
    1,721,378.80x = 2,582,165.40 × 523,340.20
  4. Step 4: Simplify right side
    1,721,378.80x = 1,351,350,956,869.08
  5. Step 5: Solve for x
    x = 1,351,350,956,869.08/1,721,378.80
  6. Step 6: Final answer
    x = 785,039.85

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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.