Home / 1,312,067.05-1,810,644.65-739,291.75

Finding the Fourth Proportional to 1,312,067.05, 1,810,644.65 and 739,291.75

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Solution

The fourth proportional to 1,312,067.05, 1,810,644.65 and 739,291.75 is: 1,020,218.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,067.05 : 1,810,644.65 = 739,291.75 : x
  2. Step 2: Convert to fraction form
    1,312,067.05/1,810,644.65 = 739,291.75/x
  3. Step 3: Cross multiply
    1,312,067.05x = 1,810,644.65 × 739,291.75
  4. Step 4: Simplify right side
    1,312,067.05x = 1,338,594,651,926.64
  5. Step 5: Solve for x
    x = 1,338,594,651,926.64/1,312,067.05
  6. Step 6: Final answer
    x = 1,020,218.18

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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.