Home / 1,353,783-1,868,241.27-741,930.78

Finding the Fourth Proportional to 1,353,783, 1,868,241.27 and 741,930.78

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Solution

The fourth proportional to 1,353,783, 1,868,241.27 and 741,930.78 is: 1,023,875.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,783 : 1,868,241.27 = 741,930.78 : x
  2. Step 2: Convert to fraction form
    1,353,783/1,868,241.27 = 741,930.78/x
  3. Step 3: Cross multiply
    1,353,783x = 1,868,241.27 × 741,930.78
  4. Step 4: Simplify right side
    1,353,783x = 1,386,105,702,679.29
  5. Step 5: Solve for x
    x = 1,386,105,702,679.29/1,353,783
  6. Step 6: Final answer
    x = 1,023,875.84

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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.