Home / 1,280,133.79-1,766,635.32-736,268.91

Finding the Fourth Proportional to 1,280,133.79, 1,766,635.32 and 736,268.91

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Solution

The fourth proportional to 1,280,133.79, 1,766,635.32 and 736,268.91 is: 1,016,080.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,133.79 : 1,766,635.32 = 736,268.91 : x
  2. Step 2: Convert to fraction form
    1,280,133.79/1,766,635.32 = 736,268.91/x
  3. Step 3: Cross multiply
    1,280,133.79x = 1,766,635.32 × 736,268.91
  4. Step 4: Simplify right side
    1,280,133.79x = 1,300,718,661,423.90
  5. Step 5: Solve for x
    x = 1,300,718,661,423.90/1,280,133.79
  6. Step 6: Final answer
    x = 1,016,080.25

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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.