Home / 1,046,642.40-1,571,806.80-810,559.20

Finding the Fourth Proportional to 1,046,642.40, 1,571,806.80 and 810,559.20

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Solution

The fourth proportional to 1,046,642.40, 1,571,806.80 and 810,559.20 is: 1,217,266.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,642.40 : 1,571,806.80 = 810,559.20 : x
  2. Step 2: Convert to fraction form
    1,046,642.40/1,571,806.80 = 810,559.20/x
  3. Step 3: Cross multiply
    1,046,642.40x = 1,571,806.80 × 810,559.20
  4. Step 4: Simplify right side
    1,046,642.40x = 1,274,042,462,362.56
  5. Step 5: Solve for x
    x = 1,274,042,462,362.56/1,046,642.40
  6. Step 6: Final answer
    x = 1,217,266.24

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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.