Home / 1,787,972-2,467,401.38-983,156

Finding the Fourth Proportional to 1,787,972, 2,467,401.38 and 983,156

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Solution

The fourth proportional to 1,787,972, 2,467,401.38 and 983,156 is: 1,356,755.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,972 : 2,467,401.38 = 983,156 : x
  2. Step 2: Convert to fraction form
    1,787,972/2,467,401.38 = 983,156/x
  3. Step 3: Cross multiply
    1,787,972x = 2,467,401.38 × 983,156
  4. Step 4: Simplify right side
    1,787,972x = 2,425,840,471,155.28
  5. Step 5: Solve for x
    x = 2,425,840,471,155.28/1,787,972
  6. Step 6: Final answer
    x = 1,356,755.29

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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.