Home / 1,018,975.05-1,405,826.91-611,208.90

Finding the Fourth Proportional to 1,018,975.05, 1,405,826.91 and 611,208.90

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Solution

The fourth proportional to 1,018,975.05, 1,405,826.91 and 611,208.90 is: 843,253.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,975.05 : 1,405,826.91 = 611,208.90 : x
  2. Step 2: Convert to fraction form
    1,018,975.05/1,405,826.91 = 611,208.90/x
  3. Step 3: Cross multiply
    1,018,975.05x = 1,405,826.91 × 611,208.90
  4. Step 4: Simplify right side
    1,018,975.05x = 859,253,919,251.50
  5. Step 5: Solve for x
    x = 859,253,919,251.50/1,018,975.05
  6. Step 6: Final answer
    x = 843,253.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.