Home / 1,403,641.27-1,936,992.58-830,691.01

Finding the Fourth Proportional to 1,403,641.27, 1,936,992.58 and 830,691.01

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Solution

The fourth proportional to 1,403,641.27, 1,936,992.58 and 830,691.01 is: 1,146,334.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,641.27 : 1,936,992.58 = 830,691.01 : x
  2. Step 2: Convert to fraction form
    1,403,641.27/1,936,992.58 = 830,691.01/x
  3. Step 3: Cross multiply
    1,403,641.27x = 1,936,992.58 × 830,691.01
  4. Step 4: Simplify right side
    1,403,641.27x = 1,609,042,322,642.71
  5. Step 5: Solve for x
    x = 1,609,042,322,642.71/1,403,641.27
  6. Step 6: Final answer
    x = 1,146,334.44

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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.