Home / 1,374,373.76-1,896,632.16-770,774.72

Finding the Fourth Proportional to 1,374,373.76, 1,896,632.16 and 770,774.72

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Solution

The fourth proportional to 1,374,373.76, 1,896,632.16 and 770,774.72 is: 1,063,667.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,373.76 : 1,896,632.16 = 770,774.72 : x
  2. Step 2: Convert to fraction form
    1,374,373.76/1,896,632.16 = 770,774.72/x
  3. Step 3: Cross multiply
    1,374,373.76x = 1,896,632.16 × 770,774.72
  4. Step 4: Simplify right side
    1,374,373.76x = 1,461,876,122,067.00
  5. Step 5: Solve for x
    x = 1,461,876,122,067.00/1,374,373.76
  6. Step 6: Final answer
    x = 1,063,667.08

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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.