Home / 1,997,606.72-2,998,542.40-860,929.88

Finding the Fourth Proportional to 1,997,606.72, 2,998,542.40 and 860,929.88

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Solution

The fourth proportional to 1,997,606.72, 2,998,542.40 and 860,929.88 is: 1,292,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,606.72 : 2,998,542.40 = 860,929.88 : x
  2. Step 2: Convert to fraction form
    1,997,606.72/2,998,542.40 = 860,929.88/x
  3. Step 3: Cross multiply
    1,997,606.72x = 2,998,542.40 × 860,929.88
  4. Step 4: Simplify right side
    1,997,606.72x = 2,581,534,731,461.88
  5. Step 5: Solve for x
    x = 2,581,534,731,461.88/1,997,606.72
  6. Step 6: Final answer
    x = 1,292,313.80

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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.