Home / 1,422,701.04-1,963,299.78-778,119.24

Finding the Fourth Proportional to 1,422,701.04, 1,963,299.78 and 778,119.24

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Solution

The fourth proportional to 1,422,701.04, 1,963,299.78 and 778,119.24 is: 1,073,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,701.04 : 1,963,299.78 = 778,119.24 : x
  2. Step 2: Convert to fraction form
    1,422,701.04/1,963,299.78 = 778,119.24/x
  3. Step 3: Cross multiply
    1,422,701.04x = 1,963,299.78 × 778,119.24
  4. Step 4: Simplify right side
    1,422,701.04x = 1,527,681,332,705.77
  5. Step 5: Solve for x
    x = 1,527,681,332,705.77/1,422,701.04
  6. Step 6: Final answer
    x = 1,073,789.43

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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.