Home / 1,491,912.80-2,239,820.52-885,807.62

Finding the Fourth Proportional to 1,491,912.80, 2,239,820.52 and 885,807.62

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Solution

The fourth proportional to 1,491,912.80, 2,239,820.52 and 885,807.62 is: 1,329,870.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,912.80 : 2,239,820.52 = 885,807.62 : x
  2. Step 2: Convert to fraction form
    1,491,912.80/2,239,820.52 = 885,807.62/x
  3. Step 3: Cross multiply
    1,491,912.80x = 2,239,820.52 × 885,807.62
  4. Step 4: Simplify right side
    1,491,912.80x = 1,984,050,084,048.36
  5. Step 5: Solve for x
    x = 1,984,050,084,048.36/1,491,912.80
  6. Step 6: Final answer
    x = 1,329,870.01

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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.