Home / 1,413,319.80-1,950,413.40-768,774.45

Finding the Fourth Proportional to 1,413,319.80, 1,950,413.40 and 768,774.45

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Solution

The fourth proportional to 1,413,319.80, 1,950,413.40 and 768,774.45 is: 1,060,926.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,319.80 : 1,950,413.40 = 768,774.45 : x
  2. Step 2: Convert to fraction form
    1,413,319.80/1,950,413.40 = 768,774.45/x
  3. Step 3: Cross multiply
    1,413,319.80x = 1,950,413.40 × 768,774.45
  4. Step 4: Simplify right side
    1,413,319.80x = 1,499,427,988,857.63
  5. Step 5: Solve for x
    x = 1,499,427,988,857.63/1,413,319.80
  6. Step 6: Final answer
    x = 1,060,926.19

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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.