Home / 1,247,413.85-1,721,427.68-696,123.66

Finding the Fourth Proportional to 1,247,413.85, 1,721,427.68 and 696,123.66

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Solution

The fourth proportional to 1,247,413.85, 1,721,427.68 and 696,123.66 is: 960,648.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,413.85 : 1,721,427.68 = 696,123.66 : x
  2. Step 2: Convert to fraction form
    1,247,413.85/1,721,427.68 = 696,123.66/x
  3. Step 3: Cross multiply
    1,247,413.85x = 1,721,427.68 × 696,123.66
  4. Step 4: Simplify right side
    1,247,413.85x = 1,198,326,537,026.91
  5. Step 5: Solve for x
    x = 1,198,326,537,026.91/1,247,413.85
  6. Step 6: Final answer
    x = 960,648.74

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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.