Home / 1,266,742.85-1,900,894.16-498,105.30

Finding the Fourth Proportional to 1,266,742.85, 1,900,894.16 and 498,105.30

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Solution

The fourth proportional to 1,266,742.85, 1,900,894.16 and 498,105.30 is: 747,464.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,742.85 : 1,900,894.16 = 498,105.30 : x
  2. Step 2: Convert to fraction form
    1,266,742.85/1,900,894.16 = 498,105.30/x
  3. Step 3: Cross multiply
    1,266,742.85x = 1,900,894.16 × 498,105.30
  4. Step 4: Simplify right side
    1,266,742.85x = 946,845,455,835.05
  5. Step 5: Solve for x
    x = 946,845,455,835.05/1,266,742.85
  6. Step 6: Final answer
    x = 747,464.61

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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.