Home / 1,381,349.04-1,906,320.47-769,501.06

Finding the Fourth Proportional to 1,381,349.04, 1,906,320.47 and 769,501.06

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Solution

The fourth proportional to 1,381,349.04, 1,906,320.47 and 769,501.06 is: 1,061,944.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,349.04 : 1,906,320.47 = 769,501.06 : x
  2. Step 2: Convert to fraction form
    1,381,349.04/1,906,320.47 = 769,501.06/x
  3. Step 3: Cross multiply
    1,381,349.04x = 1,906,320.47 × 769,501.06
  4. Step 4: Simplify right side
    1,381,349.04x = 1,466,915,612,833.10
  5. Step 5: Solve for x
    x = 1,466,915,612,833.10/1,381,349.04
  6. Step 6: Final answer
    x = 1,061,944.21

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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.