Home / 1,123,795.20-1,550,710.08-664,923.84

Finding the Fourth Proportional to 1,123,795.20, 1,550,710.08 and 664,923.84

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Solution

The fourth proportional to 1,123,795.20, 1,550,710.08 and 664,923.84 is: 917,519.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,795.20 : 1,550,710.08 = 664,923.84 : x
  2. Step 2: Convert to fraction form
    1,123,795.20/1,550,710.08 = 664,923.84/x
  3. Step 3: Cross multiply
    1,123,795.20x = 1,550,710.08 × 664,923.84
  4. Step 4: Simplify right side
    1,123,795.20x = 1,031,104,101,120.31
  5. Step 5: Solve for x
    x = 1,031,104,101,120.31/1,123,795.20
  6. Step 6: Final answer
    x = 917,519.58

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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.