Home / 1,340,852.48-2,011,278.90-394,231.40

Finding the Fourth Proportional to 1,340,852.48, 2,011,278.90 and 394,231.40

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Solution

The fourth proportional to 1,340,852.48, 2,011,278.90 and 394,231.40 is: 591,347.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,852.48 : 2,011,278.90 = 394,231.40 : x
  2. Step 2: Convert to fraction form
    1,340,852.48/2,011,278.90 = 394,231.40/x
  3. Step 3: Cross multiply
    1,340,852.48x = 2,011,278.90 × 394,231.40
  4. Step 4: Simplify right side
    1,340,852.48x = 792,909,296,537.46
  5. Step 5: Solve for x
    x = 792,909,296,537.46/1,340,852.48
  6. Step 6: Final answer
    x = 591,347.15

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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.