Home / 998,070.80-1,496,663.33-618,976.22

Finding the Fourth Proportional to 998,070.80, 1,496,663.33 and 618,976.22

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Solution

The fourth proportional to 998,070.80, 1,496,663.33 and 618,976.22 is: 928,189.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,070.80 : 1,496,663.33 = 618,976.22 : x
  2. Step 2: Convert to fraction form
    998,070.80/1,496,663.33 = 618,976.22/x
  3. Step 3: Cross multiply
    998,070.80x = 1,496,663.33 × 618,976.22
  4. Step 4: Simplify right side
    998,070.80x = 926,399,000,037.82
  5. Step 5: Solve for x
    x = 926,399,000,037.82/998,070.80
  6. Step 6: Final answer
    x = 928,189.67

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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.