Home / 1,266,685.44-1,900,224.93-425,434.02

Finding the Fourth Proportional to 1,266,685.44, 1,900,224.93 and 425,434.02

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Solution

The fourth proportional to 1,266,685.44, 1,900,224.93 and 425,434.02 is: 638,217.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,685.44 : 1,900,224.93 = 425,434.02 : x
  2. Step 2: Convert to fraction form
    1,266,685.44/1,900,224.93 = 425,434.02/x
  3. Step 3: Cross multiply
    1,266,685.44x = 1,900,224.93 × 425,434.02
  4. Step 4: Simplify right side
    1,266,685.44x = 808,420,330,874.12
  5. Step 5: Solve for x
    x = 808,420,330,874.12/1,266,685.44
  6. Step 6: Final answer
    x = 638,217.12

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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.