Home / 1,313,681.09-1,811,326.46-926,560.22

Finding the Fourth Proportional to 1,313,681.09, 1,811,326.46 and 926,560.22

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Solution

The fourth proportional to 1,313,681.09, 1,811,326.46 and 926,560.22 is: 1,277,557.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,681.09 : 1,811,326.46 = 926,560.22 : x
  2. Step 2: Convert to fraction form
    1,313,681.09/1,811,326.46 = 926,560.22/x
  3. Step 3: Cross multiply
    1,313,681.09x = 1,811,326.46 × 926,560.22
  4. Step 4: Simplify right side
    1,313,681.09x = 1,678,303,029,579.99
  5. Step 5: Solve for x
    x = 1,678,303,029,579.99/1,313,681.09
  6. Step 6: Final answer
    x = 1,277,557.43

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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.