Home / 1,248,930.54-1,723,566.11-765,402.46

Finding the Fourth Proportional to 1,248,930.54, 1,723,566.11 and 765,402.46

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Solution

The fourth proportional to 1,248,930.54, 1,723,566.11 and 765,402.46 is: 1,056,281.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,930.54 : 1,723,566.11 = 765,402.46 : x
  2. Step 2: Convert to fraction form
    1,248,930.54/1,723,566.11 = 765,402.46/x
  3. Step 3: Cross multiply
    1,248,930.54x = 1,723,566.11 × 765,402.46
  4. Step 4: Simplify right side
    1,248,930.54x = 1,319,221,740,566.63
  5. Step 5: Solve for x
    x = 1,319,221,740,566.63/1,248,930.54
  6. Step 6: Final answer
    x = 1,056,281.11

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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.