Home / 1,266,683.94-1,900,222.68-425,432.52

Finding the Fourth Proportional to 1,266,683.94, 1,900,222.68 and 425,432.52

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Solution

The fourth proportional to 1,266,683.94, 1,900,222.68 and 425,432.52 is: 638,214.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,683.94 : 1,900,222.68 = 425,432.52 : x
  2. Step 2: Convert to fraction form
    1,266,683.94/1,900,222.68 = 425,432.52/x
  3. Step 3: Cross multiply
    1,266,683.94x = 1,900,222.68 × 425,432.52
  4. Step 4: Simplify right side
    1,266,683.94x = 808,416,523,313.55
  5. Step 5: Solve for x
    x = 808,416,523,313.55/1,266,683.94
  6. Step 6: Final answer
    x = 638,214.87

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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.