Home / 1,349,300.40-2,021,617.80-637,796.40

Finding the Fourth Proportional to 1,349,300.40, 2,021,617.80 and 637,796.40

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Solution

The fourth proportional to 1,349,300.40, 2,021,617.80 and 637,796.40 is: 955,591.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,300.40 : 2,021,617.80 = 637,796.40 : x
  2. Step 2: Convert to fraction form
    1,349,300.40/2,021,617.80 = 637,796.40/x
  3. Step 3: Cross multiply
    1,349,300.40x = 2,021,617.80 × 637,796.40
  4. Step 4: Simplify right side
    1,349,300.40x = 1,289,380,555,015.92
  5. Step 5: Solve for x
    x = 1,289,380,555,015.92/1,349,300.40
  6. Step 6: Final answer
    x = 955,591.92

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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.