Home / 1,341,984.48-1,851,989.52-769,135.20

Finding the Fourth Proportional to 1,341,984.48, 1,851,989.52 and 769,135.20

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Solution

The fourth proportional to 1,341,984.48, 1,851,989.52 and 769,135.20 is: 1,061,435.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,984.48 : 1,851,989.52 = 769,135.20 : x
  2. Step 2: Convert to fraction form
    1,341,984.48/1,851,989.52 = 769,135.20/x
  3. Step 3: Cross multiply
    1,341,984.48x = 1,851,989.52 × 769,135.20
  4. Step 4: Simplify right side
    1,341,984.48x = 1,424,430,329,863.10
  5. Step 5: Solve for x
    x = 1,424,430,329,863.10/1,341,984.48
  6. Step 6: Final answer
    x = 1,061,435.77

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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.