Home / 1,022,827.27-1,531,970.98-661,837.41

Finding the Fourth Proportional to 1,022,827.27, 1,531,970.98 and 661,837.41

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Solution

The fourth proportional to 1,022,827.27, 1,531,970.98 and 661,837.41 is: 991,287.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,827.27 : 1,531,970.98 = 661,837.41 : x
  2. Step 2: Convert to fraction form
    1,022,827.27/1,531,970.98 = 661,837.41/x
  3. Step 3: Cross multiply
    1,022,827.27x = 1,531,970.98 × 661,837.41
  4. Step 4: Simplify right side
    1,022,827.27x = 1,013,915,705,598.36
  5. Step 5: Solve for x
    x = 1,013,915,705,598.36/1,022,827.27
  6. Step 6: Final answer
    x = 991,287.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.