Home / 1,027,045.90-1,416,845.74-664,586.90

Finding the Fourth Proportional to 1,027,045.90, 1,416,845.74 and 664,586.90

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Solution

The fourth proportional to 1,027,045.90, 1,416,845.74 and 664,586.90 is: 916,820.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,045.90 : 1,416,845.74 = 664,586.90 : x
  2. Step 2: Convert to fraction form
    1,027,045.90/1,416,845.74 = 664,586.90/x
  3. Step 3: Cross multiply
    1,027,045.90x = 1,416,845.74 × 664,586.90
  4. Step 4: Simplify right side
    1,027,045.90x = 941,617,107,717.64
  5. Step 5: Solve for x
    x = 941,617,107,717.64/1,027,045.90
  6. Step 6: Final answer
    x = 916,820.87

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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.