Home / 1,314,138.03-1,813,167.77-769,981.45

Finding the Fourth Proportional to 1,314,138.03, 1,813,167.77 and 769,981.45

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Solution

The fourth proportional to 1,314,138.03, 1,813,167.77 and 769,981.45 is: 1,062,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,138.03 : 1,813,167.77 = 769,981.45 : x
  2. Step 2: Convert to fraction form
    1,314,138.03/1,813,167.77 = 769,981.45/x
  3. Step 3: Cross multiply
    1,314,138.03x = 1,813,167.77 × 769,981.45
  4. Step 4: Simplify right side
    1,314,138.03x = 1,396,105,548,637.87
  5. Step 5: Solve for x
    x = 1,396,105,548,637.87/1,314,138.03
  6. Step 6: Final answer
    x = 1,062,373.60

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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.