Home / 1,123,669.90-1,685,504.85-375,715.90

Finding the Fourth Proportional to 1,123,669.90, 1,685,504.85 and 375,715.90

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Solution

The fourth proportional to 1,123,669.90, 1,685,504.85 and 375,715.90 is: 563,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,669.90 : 1,685,504.85 = 375,715.90 : x
  2. Step 2: Convert to fraction form
    1,123,669.90/1,685,504.85 = 375,715.90/x
  3. Step 3: Cross multiply
    1,123,669.90x = 1,685,504.85 × 375,715.90
  4. Step 4: Simplify right side
    1,123,669.90x = 633,270,971,672.12
  5. Step 5: Solve for x
    x = 633,270,971,672.12/1,123,669.90
  6. Step 6: Final answer
    x = 563,573.85

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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.