Home / 1,282,765.80-1,924,148.70-683,418.45

Finding the Fourth Proportional to 1,282,765.80, 1,924,148.70 and 683,418.45

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Solution

The fourth proportional to 1,282,765.80, 1,924,148.70 and 683,418.45 is: 1,025,127.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,765.80 : 1,924,148.70 = 683,418.45 : x
  2. Step 2: Convert to fraction form
    1,282,765.80/1,924,148.70 = 683,418.45/x
  3. Step 3: Cross multiply
    1,282,765.80x = 1,924,148.70 × 683,418.45
  4. Step 4: Simplify right side
    1,282,765.80x = 1,314,998,722,123.51
  5. Step 5: Solve for x
    x = 1,314,998,722,123.51/1,282,765.80
  6. Step 6: Final answer
    x = 1,025,127.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.