Home / 1,090,301.09-1,504,358.12-916,531.95

Finding the Fourth Proportional to 1,090,301.09, 1,504,358.12 and 916,531.95

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Solution

The fourth proportional to 1,090,301.09, 1,504,358.12 and 916,531.95 is: 1,264,597.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,301.09 : 1,504,358.12 = 916,531.95 : x
  2. Step 2: Convert to fraction form
    1,090,301.09/1,504,358.12 = 916,531.95/x
  3. Step 3: Cross multiply
    1,090,301.09x = 1,504,358.12 × 916,531.95
  4. Step 4: Simplify right side
    1,090,301.09x = 1,378,792,276,639.27
  5. Step 5: Solve for x
    x = 1,378,792,276,639.27/1,090,301.09
  6. Step 6: Final answer
    x = 1,264,597.73

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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.