Home / 1,309,731.29-1,807,426.34-736,771.46

Finding the Fourth Proportional to 1,309,731.29, 1,807,426.34 and 736,771.46

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Solution

The fourth proportional to 1,309,731.29, 1,807,426.34 and 736,771.46 is: 1,016,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,731.29 : 1,807,426.34 = 736,771.46 : x
  2. Step 2: Convert to fraction form
    1,309,731.29/1,807,426.34 = 736,771.46/x
  3. Step 3: Cross multiply
    1,309,731.29x = 1,807,426.34 × 736,771.46
  4. Step 4: Simplify right side
    1,309,731.29x = 1,331,660,130,643.27
  5. Step 5: Solve for x
    x = 1,331,660,130,643.27/1,309,731.29
  6. Step 6: Final answer
    x = 1,016,743.01

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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.