Home / 992,640.52-1,370,087.22-563,172.04

Finding the Fourth Proportional to 992,640.52, 1,370,087.22 and 563,172.04

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Solution

The fourth proportional to 992,640.52, 1,370,087.22 and 563,172.04 is: 777,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,640.52 : 1,370,087.22 = 563,172.04 : x
  2. Step 2: Convert to fraction form
    992,640.52/1,370,087.22 = 563,172.04/x
  3. Step 3: Cross multiply
    992,640.52x = 1,370,087.22 × 563,172.04
  4. Step 4: Simplify right side
    992,640.52x = 771,594,814,665.33
  5. Step 5: Solve for x
    x = 771,594,814,665.33/992,640.52
  6. Step 6: Final answer
    x = 777,315.45

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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.