Home / 1,309,265.80-1,806,758.40-758,004.68

Finding the Fourth Proportional to 1,309,265.80, 1,806,758.40 and 758,004.68

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Solution

The fourth proportional to 1,309,265.80, 1,806,758.40 and 758,004.68 is: 1,046,030.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,265.80 : 1,806,758.40 = 758,004.68 : x
  2. Step 2: Convert to fraction form
    1,309,265.80/1,806,758.40 = 758,004.68/x
  3. Step 3: Cross multiply
    1,309,265.80x = 1,806,758.40 × 758,004.68
  4. Step 4: Simplify right side
    1,309,265.80x = 1,369,531,322,829.31
  5. Step 5: Solve for x
    x = 1,369,531,322,829.31/1,309,265.80
  6. Step 6: Final answer
    x = 1,046,030.01

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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.