Home / 1,423,036.45-1,963,784.43-769,663.20

Finding the Fourth Proportional to 1,423,036.45, 1,963,784.43 and 769,663.20

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Solution

The fourth proportional to 1,423,036.45, 1,963,784.43 and 769,663.20 is: 1,062,132.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,036.45 : 1,963,784.43 = 769,663.20 : x
  2. Step 2: Convert to fraction form
    1,423,036.45/1,963,784.43 = 769,663.20/x
  3. Step 3: Cross multiply
    1,423,036.45x = 1,963,784.43 × 769,663.20
  4. Step 4: Simplify right side
    1,423,036.45x = 1,511,452,598,685.05
  5. Step 5: Solve for x
    x = 1,511,452,598,685.05/1,423,036.45
  6. Step 6: Final answer
    x = 1,062,132.03

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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.