Home / 1,123,356.75-1,685,035.13-375,402.75

Finding the Fourth Proportional to 1,123,356.75, 1,685,035.13 and 375,402.75

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Solution

The fourth proportional to 1,123,356.75, 1,685,035.13 and 375,402.75 is: 563,104.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,356.75 : 1,685,035.13 = 375,402.75 : x
  2. Step 2: Convert to fraction form
    1,123,356.75/1,685,035.13 = 375,402.75/x
  3. Step 3: Cross multiply
    1,123,356.75x = 1,685,035.13 × 375,402.75
  4. Step 4: Simplify right side
    1,123,356.75x = 632,566,821,648.61
  5. Step 5: Solve for x
    x = 632,566,821,648.61/1,123,356.75
  6. Step 6: Final answer
    x = 563,104.13

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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.