Home / 1,317,011.28-1,817,566.92-743,842.32

Finding the Fourth Proportional to 1,317,011.28, 1,817,566.92 and 743,842.32

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Solution

The fourth proportional to 1,317,011.28, 1,817,566.92 and 743,842.32 is: 1,026,554.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,011.28 : 1,817,566.92 = 743,842.32 : x
  2. Step 2: Convert to fraction form
    1,317,011.28/1,817,566.92 = 743,842.32/x
  3. Step 3: Cross multiply
    1,317,011.28x = 1,817,566.92 × 743,842.32
  4. Step 4: Simplify right side
    1,317,011.28x = 1,351,983,194,528.05
  5. Step 5: Solve for x
    x = 1,351,983,194,528.05/1,317,011.28
  6. Step 6: Final answer
    x = 1,026,554.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.