Home / 1,458,340.20-2,187,510.30-511,806.60

Finding the Fourth Proportional to 1,458,340.20, 2,187,510.30 and 511,806.60

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Solution

The fourth proportional to 1,458,340.20, 2,187,510.30 and 511,806.60 is: 767,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,340.20 : 2,187,510.30 = 511,806.60 : x
  2. Step 2: Convert to fraction form
    1,458,340.20/2,187,510.30 = 511,806.60/x
  3. Step 3: Cross multiply
    1,458,340.20x = 2,187,510.30 × 511,806.60
  4. Step 4: Simplify right side
    1,458,340.20x = 1,119,582,209,107.98
  5. Step 5: Solve for x
    x = 1,119,582,209,107.98/1,458,340.20
  6. Step 6: Final answer
    x = 767,709.90

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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.