Home / 1,342,130.64-1,852,216.92-769,266.24

Finding the Fourth Proportional to 1,342,130.64, 1,852,216.92 and 769,266.24

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Solution

The fourth proportional to 1,342,130.64, 1,852,216.92 and 769,266.24 is: 1,061,631.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,130.64 : 1,852,216.92 = 769,266.24 : x
  2. Step 2: Convert to fraction form
    1,342,130.64/1,852,216.92 = 769,266.24/x
  3. Step 3: Cross multiply
    1,342,130.64x = 1,852,216.92 × 769,266.24
  4. Step 4: Simplify right side
    1,342,130.64x = 1,424,847,945,712.78
  5. Step 5: Solve for x
    x = 1,424,847,945,712.78/1,342,130.64
  6. Step 6: Final answer
    x = 1,061,631.34

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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.