Home / 1,152,118.31-1,728,400.40-442,091.14

Finding the Fourth Proportional to 1,152,118.31, 1,728,400.40 and 442,091.14

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Solution

The fourth proportional to 1,152,118.31, 1,728,400.40 and 442,091.14 is: 663,222.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,118.31 : 1,728,400.40 = 442,091.14 : x
  2. Step 2: Convert to fraction form
    1,152,118.31/1,728,400.40 = 442,091.14/x
  3. Step 3: Cross multiply
    1,152,118.31x = 1,728,400.40 × 442,091.14
  4. Step 4: Simplify right side
    1,152,118.31x = 764,110,499,996.68
  5. Step 5: Solve for x
    x = 764,110,499,996.68/1,152,118.31
  6. Step 6: Final answer
    x = 663,222.25

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1.5x scale

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.