Home / 1,091,246.55-1,505,398.65-847,863.42

Finding the Fourth Proportional to 1,091,246.55, 1,505,398.65 and 847,863.42

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Solution

The fourth proportional to 1,091,246.55, 1,505,398.65 and 847,863.42 is: 1,169,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,246.55 : 1,505,398.65 = 847,863.42 : x
  2. Step 2: Convert to fraction form
    1,091,246.55/1,505,398.65 = 847,863.42/x
  3. Step 3: Cross multiply
    1,091,246.55x = 1,505,398.65 × 847,863.42
  4. Step 4: Simplify right side
    1,091,246.55x = 1,276,372,447,852.38
  5. Step 5: Solve for x
    x = 1,276,372,447,852.38/1,091,246.55
  6. Step 6: Final answer
    x = 1,169,646.26

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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.