Home / 1,275,131.50-1,759,681.47-702,170.31

Finding the Fourth Proportional to 1,275,131.50, 1,759,681.47 and 702,170.31

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Solution

The fourth proportional to 1,275,131.50, 1,759,681.47 and 702,170.31 is: 968,995.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,131.50 : 1,759,681.47 = 702,170.31 : x
  2. Step 2: Convert to fraction form
    1,275,131.50/1,759,681.47 = 702,170.31/x
  3. Step 3: Cross multiply
    1,275,131.50x = 1,759,681.47 × 702,170.31
  4. Step 4: Simplify right side
    1,275,131.50x = 1,235,596,083,291.16
  5. Step 5: Solve for x
    x = 1,235,596,083,291.16/1,275,131.50
  6. Step 6: Final answer
    x = 968,995.03

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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.