Home / 1,248,941.60-1,723,581.11-765,413.31

Finding the Fourth Proportional to 1,248,941.60, 1,723,581.11 and 765,413.31

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Solution

The fourth proportional to 1,248,941.60, 1,723,581.11 and 765,413.31 is: 1,056,295.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,941.60 : 1,723,581.11 = 765,413.31 : x
  2. Step 2: Convert to fraction form
    1,248,941.60/1,723,581.11 = 765,413.31/x
  3. Step 3: Cross multiply
    1,248,941.60x = 1,723,581.11 × 765,413.31
  4. Step 4: Simplify right side
    1,248,941.60x = 1,319,251,924,372.11
  5. Step 5: Solve for x
    x = 1,319,251,924,372.11/1,248,941.60
  6. Step 6: Final answer
    x = 1,056,295.93

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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.