Home / 1,140,843.72-1,574,382.90-624,588.90

Finding the Fourth Proportional to 1,140,843.72, 1,574,382.90 and 624,588.90

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Solution

The fourth proportional to 1,140,843.72, 1,574,382.90 and 624,588.90 is: 861,942.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,843.72 : 1,574,382.90 = 624,588.90 : x
  2. Step 2: Convert to fraction form
    1,140,843.72/1,574,382.90 = 624,588.90/x
  3. Step 3: Cross multiply
    1,140,843.72x = 1,574,382.90 × 624,588.90
  4. Step 4: Simplify right side
    1,140,843.72x = 983,342,083,689.81
  5. Step 5: Solve for x
    x = 983,342,083,689.81/1,140,843.72
  6. Step 6: Final answer
    x = 861,942.85

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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.