Home / 1,860,998.70-2,791,498.05-664,272.30

Finding the Fourth Proportional to 1,860,998.70, 2,791,498.05 and 664,272.30

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Solution

The fourth proportional to 1,860,998.70, 2,791,498.05 and 664,272.30 is: 996,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860,998.70 : 2,791,498.05 = 664,272.30 : x
  2. Step 2: Convert to fraction form
    1,860,998.70/2,791,498.05 = 664,272.30/x
  3. Step 3: Cross multiply
    1,860,998.70x = 2,791,498.05 × 664,272.30
  4. Step 4: Simplify right side
    1,860,998.70x = 1,854,314,830,119.02
  5. Step 5: Solve for x
    x = 1,854,314,830,119.02/1,860,998.70
  6. Step 6: Final answer
    x = 996,408.45

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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.