Home / 1,242,930.31-1,715,226.93-699,065.96

Finding the Fourth Proportional to 1,242,930.31, 1,715,226.93 and 699,065.96

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Solution

The fourth proportional to 1,242,930.31, 1,715,226.93 and 699,065.96 is: 964,701.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,930.31 : 1,715,226.93 = 699,065.96 : x
  2. Step 2: Convert to fraction form
    1,242,930.31/1,715,226.93 = 699,065.96/x
  3. Step 3: Cross multiply
    1,242,930.31x = 1,715,226.93 × 699,065.96
  4. Step 4: Simplify right side
    1,242,930.31x = 1,199,056,751,862.17
  5. Step 5: Solve for x
    x = 1,199,056,751,862.17/1,242,930.31
  6. Step 6: Final answer
    x = 964,701.52

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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.