Home / 1,317,279.57-1,817,838.66-736,502.58

Finding the Fourth Proportional to 1,317,279.57, 1,817,838.66 and 736,502.58

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Solution

The fourth proportional to 1,317,279.57, 1,817,838.66 and 736,502.58 is: 1,016,369.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,279.57 : 1,817,838.66 = 736,502.58 : x
  2. Step 2: Convert to fraction form
    1,317,279.57/1,817,838.66 = 736,502.58/x
  3. Step 3: Cross multiply
    1,317,279.57x = 1,817,838.66 × 736,502.58
  4. Step 4: Simplify right side
    1,317,279.57x = 1,338,842,863,113.74
  5. Step 5: Solve for x
    x = 1,338,842,863,113.74/1,317,279.57
  6. Step 6: Final answer
    x = 1,016,369.56

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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.