Home / 1,284,314.21-1,927,176.62-745,229.64

Finding the Fourth Proportional to 1,284,314.21, 1,927,176.62 and 745,229.64

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Solution

The fourth proportional to 1,284,314.21, 1,927,176.62 and 745,229.64 is: 1,118,253.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,314.21 : 1,927,176.62 = 745,229.64 : x
  2. Step 2: Convert to fraction form
    1,284,314.21/1,927,176.62 = 745,229.64/x
  3. Step 3: Cross multiply
    1,284,314.21x = 1,927,176.62 × 745,229.64
  4. Step 4: Simplify right side
    1,284,314.21x = 1,436,189,142,239.78
  5. Step 5: Solve for x
    x = 1,436,189,142,239.78/1,284,314.21
  6. Step 6: Final answer
    x = 1,118,253.72

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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.