Home / 1,010,350.28-1,394,283.40-688,622.42

Finding the Fourth Proportional to 1,010,350.28, 1,394,283.40 and 688,622.42

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Solution

The fourth proportional to 1,010,350.28, 1,394,283.40 and 688,622.42 is: 950,298.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,350.28 : 1,394,283.40 = 688,622.42 : x
  2. Step 2: Convert to fraction form
    1,010,350.28/1,394,283.40 = 688,622.42/x
  3. Step 3: Cross multiply
    1,010,350.28x = 1,394,283.40 × 688,622.42
  4. Step 4: Simplify right side
    1,010,350.28x = 960,134,809,073.83
  5. Step 5: Solve for x
    x = 960,134,809,073.83/1,010,350.28
  6. Step 6: Final answer
    x = 950,298.95

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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.