Home / 1,300,649.67-1,951,688.54-661,008.57

Finding the Fourth Proportional to 1,300,649.67, 1,951,688.54 and 661,008.57

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Solution

The fourth proportional to 1,300,649.67, 1,951,688.54 and 661,008.57 is: 991,875.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,649.67 : 1,951,688.54 = 661,008.57 : x
  2. Step 2: Convert to fraction form
    1,300,649.67/1,951,688.54 = 661,008.57/x
  3. Step 3: Cross multiply
    1,300,649.67x = 1,951,688.54 × 661,008.57
  4. Step 4: Simplify right side
    1,300,649.67x = 1,290,082,850,910.79
  5. Step 5: Solve for x
    x = 1,290,082,850,910.79/1,300,649.67
  6. Step 6: Final answer
    x = 991,875.74

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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.