Home / 1,297,778.52-1,947,083.65-908,690.23

Finding the Fourth Proportional to 1,297,778.52, 1,947,083.65 and 908,690.23

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Solution

The fourth proportional to 1,297,778.52, 1,947,083.65 and 908,690.23 is: 1,363,326.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,778.52 : 1,947,083.65 = 908,690.23 : x
  2. Step 2: Convert to fraction form
    1,297,778.52/1,947,083.65 = 908,690.23/x
  3. Step 3: Cross multiply
    1,297,778.52x = 1,947,083.65 × 908,690.23
  4. Step 4: Simplify right side
    1,297,778.52x = 1,769,295,884,068.91
  5. Step 5: Solve for x
    x = 1,769,295,884,068.91/1,297,778.52
  6. Step 6: Final answer
    x = 1,363,326.53

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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.