Home / 1,091,239.22-1,505,985.84-661,537.46

Finding the Fourth Proportional to 1,091,239.22, 1,505,985.84 and 661,537.46

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Solution

The fourth proportional to 1,091,239.22, 1,505,985.84 and 661,537.46 is: 912,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,239.22 : 1,505,985.84 = 661,537.46 : x
  2. Step 2: Convert to fraction form
    1,091,239.22/1,505,985.84 = 661,537.46/x
  3. Step 3: Cross multiply
    1,091,239.22x = 1,505,985.84 × 661,537.46
  4. Step 4: Simplify right side
    1,091,239.22x = 996,266,047,389.57
  5. Step 5: Solve for x
    x = 996,266,047,389.57/1,091,239.22
  6. Step 6: Final answer
    x = 912,967.60

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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.