Home / 1,262,284.70-1,893,693.08-409,289.86

Finding the Fourth Proportional to 1,262,284.70, 1,893,693.08 and 409,289.86

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Solution

The fourth proportional to 1,262,284.70, 1,893,693.08 and 409,289.86 is: 614,021.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,284.70 : 1,893,693.08 = 409,289.86 : x
  2. Step 2: Convert to fraction form
    1,262,284.70/1,893,693.08 = 409,289.86/x
  3. Step 3: Cross multiply
    1,262,284.70x = 1,893,693.08 × 409,289.86
  4. Step 4: Simplify right side
    1,262,284.70x = 775,069,375,596.17
  5. Step 5: Solve for x
    x = 775,069,375,596.17/1,262,284.70
  6. Step 6: Final answer
    x = 614,021.05

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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.