Home / 1,123,338.38-1,685,007.56-375,384.38

Finding the Fourth Proportional to 1,123,338.38, 1,685,007.56 and 375,384.38

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Solution

The fourth proportional to 1,123,338.38, 1,685,007.56 and 375,384.38 is: 563,076.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,338.38 : 1,685,007.56 = 375,384.38 : x
  2. Step 2: Convert to fraction form
    1,123,338.38/1,685,007.56 = 375,384.38/x
  3. Step 3: Cross multiply
    1,123,338.38x = 1,685,007.56 × 375,384.38
  4. Step 4: Simplify right side
    1,123,338.38x = 632,525,510,719.34
  5. Step 5: Solve for x
    x = 632,525,510,719.34/1,123,338.38
  6. Step 6: Final answer
    x = 563,076.56

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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.