Home / 1,136,015.12-1,567,700.78-626,717.50

Finding the Fourth Proportional to 1,136,015.12, 1,567,700.78 and 626,717.50

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Solution

The fourth proportional to 1,136,015.12, 1,567,700.78 and 626,717.50 is: 864,870.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,015.12 : 1,567,700.78 = 626,717.50 : x
  2. Step 2: Convert to fraction form
    1,136,015.12/1,567,700.78 = 626,717.50/x
  3. Step 3: Cross multiply
    1,136,015.12x = 1,567,700.78 × 626,717.50
  4. Step 4: Simplify right side
    1,136,015.12x = 982,505,513,589.65
  5. Step 5: Solve for x
    x = 982,505,513,589.65/1,136,015.12
  6. Step 6: Final answer
    x = 864,870.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.