Home / 1,422,555.85-1,963,122.84-769,177.24

Finding the Fourth Proportional to 1,422,555.85, 1,963,122.84 and 769,177.24

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Solution

The fourth proportional to 1,422,555.85, 1,963,122.84 and 769,177.24 is: 1,061,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,555.85 : 1,963,122.84 = 769,177.24 : x
  2. Step 2: Convert to fraction form
    1,422,555.85/1,963,122.84 = 769,177.24/x
  3. Step 3: Cross multiply
    1,422,555.85x = 1,963,122.84 × 769,177.24
  4. Step 4: Simplify right side
    1,422,555.85x = 1,509,989,402,944.35
  5. Step 5: Solve for x
    x = 1,509,989,402,944.35/1,422,555.85
  6. Step 6: Final answer
    x = 1,061,462.30

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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.