Home / 1,090,566.28-1,504,947.28-631,689.81

Finding the Fourth Proportional to 1,090,566.28, 1,504,947.28 and 631,689.81

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Solution

The fourth proportional to 1,090,566.28, 1,504,947.28 and 631,689.81 is: 871,712.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,566.28 : 1,504,947.28 = 631,689.81 : x
  2. Step 2: Convert to fraction form
    1,090,566.28/1,504,947.28 = 631,689.81/x
  3. Step 3: Cross multiply
    1,090,566.28x = 1,504,947.28 × 631,689.81
  4. Step 4: Simplify right side
    1,090,566.28x = 950,659,866,866.78
  5. Step 5: Solve for x
    x = 950,659,866,866.78/1,090,566.28
  6. Step 6: Final answer
    x = 871,712.14

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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.