Home / 1,997,342.40-2,996,402.40-860,102.40

Finding the Fourth Proportional to 1,997,342.40, 2,996,402.40 and 860,102.40

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Solution

The fourth proportional to 1,997,342.40, 2,996,402.40 and 860,102.40 is: 1,290,321.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,342.40 : 2,996,402.40 = 860,102.40 : x
  2. Step 2: Convert to fraction form
    1,997,342.40/2,996,402.40 = 860,102.40/x
  3. Step 3: Cross multiply
    1,997,342.40x = 2,996,402.40 × 860,102.40
  4. Step 4: Simplify right side
    1,997,342.40x = 2,577,212,895,605.76
  5. Step 5: Solve for x
    x = 2,577,212,895,605.76/1,997,342.40
  6. Step 6: Final answer
    x = 1,290,321.03

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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.