Home / 1,342,677.28-1,852,677.84-769,612

Finding the Fourth Proportional to 1,342,677.28, 1,852,677.84 and 769,612

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Solution

The fourth proportional to 1,342,677.28, 1,852,677.84 and 769,612 is: 1,061,940.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,677.28 : 1,852,677.84 = 769,612 : x
  2. Step 2: Convert to fraction form
    1,342,677.28/1,852,677.84 = 769,612/x
  3. Step 3: Cross multiply
    1,342,677.28x = 1,852,677.84 × 769,612
  4. Step 4: Simplify right side
    1,342,677.28x = 1,425,843,097,798.08
  5. Step 5: Solve for x
    x = 1,425,843,097,798.08/1,342,677.28
  6. Step 6: Final answer
    x = 1,061,940.29

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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.