Home / 1,547,453.80-2,321,836.80-979,271.20

Finding the Fourth Proportional to 1,547,453.80, 2,321,836.80 and 979,271.20

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Solution

The fourth proportional to 1,547,453.80, 2,321,836.80 and 979,271.20 is: 1,469,322.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,453.80 : 2,321,836.80 = 979,271.20 : x
  2. Step 2: Convert to fraction form
    1,547,453.80/2,321,836.80 = 979,271.20/x
  3. Step 3: Cross multiply
    1,547,453.80x = 2,321,836.80 × 979,271.20
  4. Step 4: Simplify right side
    1,547,453.80x = 2,273,707,909,340.16
  5. Step 5: Solve for x
    x = 2,273,707,909,340.16/1,547,453.80
  6. Step 6: Final answer
    x = 1,469,322.00

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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.