Home / 1,207,560.96-1,811,403.54-309,010.68

Finding the Fourth Proportional to 1,207,560.96, 1,811,403.54 and 309,010.68

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Solution

The fourth proportional to 1,207,560.96, 1,811,403.54 and 309,010.68 is: 463,531.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,560.96 : 1,811,403.54 = 309,010.68 : x
  2. Step 2: Convert to fraction form
    1,207,560.96/1,811,403.54 = 309,010.68/x
  3. Step 3: Cross multiply
    1,207,560.96x = 1,811,403.54 × 309,010.68
  4. Step 4: Simplify right side
    1,207,560.96x = 559,743,039,649.81
  5. Step 5: Solve for x
    x = 559,743,039,649.81/1,207,560.96
  6. Step 6: Final answer
    x = 463,531.91

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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.