Home / 1,309,389.06-1,806,816.06-736,307.58

Finding the Fourth Proportional to 1,309,389.06, 1,806,816.06 and 736,307.58

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Solution

The fourth proportional to 1,309,389.06, 1,806,816.06 and 736,307.58 is: 1,016,025.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,389.06 : 1,806,816.06 = 736,307.58 : x
  2. Step 2: Convert to fraction form
    1,309,389.06/1,806,816.06 = 736,307.58/x
  3. Step 3: Cross multiply
    1,309,389.06x = 1,806,816.06 × 736,307.58
  4. Step 4: Simplify right side
    1,309,389.06x = 1,330,372,360,643.73
  5. Step 5: Solve for x
    x = 1,330,372,360,643.73/1,309,389.06
  6. Step 6: Final answer
    x = 1,016,025.26

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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.