Home / 1,280,160.24-1,766,674.80-736,296.16

Finding the Fourth Proportional to 1,280,160.24, 1,766,674.80 and 736,296.16

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Solution

The fourth proportional to 1,280,160.24, 1,766,674.80 and 736,296.16 is: 1,016,119.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,160.24 : 1,766,674.80 = 736,296.16 : x
  2. Step 2: Convert to fraction form
    1,280,160.24/1,766,674.80 = 736,296.16/x
  3. Step 3: Cross multiply
    1,280,160.24x = 1,766,674.80 × 736,296.16
  4. Step 4: Simplify right side
    1,280,160.24x = 1,300,795,871,208.77
  5. Step 5: Solve for x
    x = 1,300,795,871,208.77/1,280,160.24
  6. Step 6: Final answer
    x = 1,016,119.57

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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.