Home / 927,103.20-1,388,581.20-802,687.20

Finding the Fourth Proportional to 927,103.20, 1,388,581.20 and 802,687.20

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Solution

The fourth proportional to 927,103.20, 1,388,581.20 and 802,687.20 is: 1,202,235.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,103.20 : 1,388,581.20 = 802,687.20 : x
  2. Step 2: Convert to fraction form
    927,103.20/1,388,581.20 = 802,687.20/x
  3. Step 3: Cross multiply
    927,103.20x = 1,388,581.20 × 802,687.20
  4. Step 4: Simplify right side
    927,103.20x = 1,114,596,355,400.64
  5. Step 5: Solve for x
    x = 1,114,596,355,400.64/927,103.20
  6. Step 6: Final answer
    x = 1,202,235.47

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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.