Home / 1,317,709.04-1,818,633.52-834,319.12

Finding the Fourth Proportional to 1,317,709.04, 1,818,633.52 and 834,319.12

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Solution

The fourth proportional to 1,317,709.04, 1,818,633.52 and 834,319.12 is: 1,151,483.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,709.04 : 1,818,633.52 = 834,319.12 : x
  2. Step 2: Convert to fraction form
    1,317,709.04/1,818,633.52 = 834,319.12/x
  3. Step 3: Cross multiply
    1,317,709.04x = 1,818,633.52 × 834,319.12
  4. Step 4: Simplify right side
    1,317,709.04x = 1,517,320,718,008.90
  5. Step 5: Solve for x
    x = 1,517,320,718,008.90/1,317,709.04
  6. Step 6: Final answer
    x = 1,151,483.88

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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.