Home / 998,961.51-1,378,099.35-654,705.84

Finding the Fourth Proportional to 998,961.51, 1,378,099.35 and 654,705.84

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Solution

The fourth proportional to 998,961.51, 1,378,099.35 and 654,705.84 is: 903,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,961.51 : 1,378,099.35 = 654,705.84 : x
  2. Step 2: Convert to fraction form
    998,961.51/1,378,099.35 = 654,705.84/x
  3. Step 3: Cross multiply
    998,961.51x = 1,378,099.35 × 654,705.84
  4. Step 4: Simplify right side
    998,961.51x = 902,249,692,545.20
  5. Step 5: Solve for x
    x = 902,249,692,545.20/998,961.51
  6. Step 6: Final answer
    x = 903,187.64

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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.