Home / 1,275,130.50-1,759,680.09-702,169.31

Finding the Fourth Proportional to 1,275,130.50, 1,759,680.09 and 702,169.31

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Solution

The fourth proportional to 1,275,130.50, 1,759,680.09 and 702,169.31 is: 968,993.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,130.50 : 1,759,680.09 = 702,169.31 : x
  2. Step 2: Convert to fraction form
    1,275,130.50/1,759,680.09 = 702,169.31/x
  3. Step 3: Cross multiply
    1,275,130.50x = 1,759,680.09 × 702,169.31
  4. Step 4: Simplify right side
    1,275,130.50x = 1,235,593,345,817.64
  5. Step 5: Solve for x
    x = 1,235,593,345,817.64/1,275,130.50
  6. Step 6: Final answer
    x = 968,993.64

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1.5x scale

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.