Home / 1,283,779.26-1,771,637.13-702,993.06

Finding the Fourth Proportional to 1,283,779.26, 1,771,637.13 and 702,993.06

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Solution

The fourth proportional to 1,283,779.26, 1,771,637.13 and 702,993.06 is: 970,142.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,779.26 : 1,771,637.13 = 702,993.06 : x
  2. Step 2: Convert to fraction form
    1,283,779.26/1,771,637.13 = 702,993.06/x
  3. Step 3: Cross multiply
    1,283,779.26x = 1,771,637.13 × 702,993.06
  4. Step 4: Simplify right side
    1,283,779.26x = 1,245,448,607,228.32
  5. Step 5: Solve for x
    x = 1,245,448,607,228.32/1,283,779.26
  6. Step 6: Final answer
    x = 970,142.33

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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.