Home / 1,353,068.90-1,867,235.84-741,243.81

Finding the Fourth Proportional to 1,353,068.90, 1,867,235.84 and 741,243.81

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Solution

The fourth proportional to 1,353,068.90, 1,867,235.84 and 741,243.81 is: 1,022,916.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,068.90 : 1,867,235.84 = 741,243.81 : x
  2. Step 2: Convert to fraction form
    1,353,068.90/1,867,235.84 = 741,243.81/x
  3. Step 3: Cross multiply
    1,353,068.90x = 1,867,235.84 × 741,243.81
  4. Step 4: Simplify right side
    1,353,068.90x = 1,384,077,007,952.02
  5. Step 5: Solve for x
    x = 1,384,077,007,952.02/1,353,068.90
  6. Step 6: Final answer
    x = 1,022,916.87

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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.