Home / 1,238,856.48-1,858,070.46-328,052.05

Finding the Fourth Proportional to 1,238,856.48, 1,858,070.46 and 328,052.05

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Solution

The fourth proportional to 1,238,856.48, 1,858,070.46 and 328,052.05 is: 492,021.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,856.48 : 1,858,070.46 = 328,052.05 : x
  2. Step 2: Convert to fraction form
    1,238,856.48/1,858,070.46 = 328,052.05/x
  3. Step 3: Cross multiply
    1,238,856.48x = 1,858,070.46 × 328,052.05
  4. Step 4: Simplify right side
    1,238,856.48x = 609,543,823,585.97
  5. Step 5: Solve for x
    x = 609,543,823,585.97/1,238,856.48
  6. Step 6: Final answer
    x = 492,021.34

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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.