Home / 1,390,687.83-2,086,909.29-591,968.07

Finding the Fourth Proportional to 1,390,687.83, 2,086,909.29 and 591,968.07

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Solution

The fourth proportional to 1,390,687.83, 2,086,909.29 and 591,968.07 is: 888,325.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,687.83 : 2,086,909.29 = 591,968.07 : x
  2. Step 2: Convert to fraction form
    1,390,687.83/2,086,909.29 = 591,968.07/x
  3. Step 3: Cross multiply
    1,390,687.83x = 2,086,909.29 × 591,968.07
  4. Step 4: Simplify right side
    1,390,687.83x = 1,235,383,664,666.37
  5. Step 5: Solve for x
    x = 1,235,383,664,666.37/1,390,687.83
  6. Step 6: Final answer
    x = 888,325.65

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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.