Home / 1,275,102-1,759,640.76-702,140.81

Finding the Fourth Proportional to 1,275,102, 1,759,640.76 and 702,140.81

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Solution

The fourth proportional to 1,275,102, 1,759,640.76 and 702,140.81 is: 968,954.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,102 : 1,759,640.76 = 702,140.81 : x
  2. Step 2: Convert to fraction form
    1,275,102/1,759,640.76 = 702,140.81/x
  3. Step 3: Cross multiply
    1,275,102x = 1,759,640.76 × 702,140.81
  4. Step 4: Simplify right side
    1,275,102x = 1,235,515,579,737.21
  5. Step 5: Solve for x
    x = 1,235,515,579,737.21/1,275,102
  6. Step 6: Final answer
    x = 968,954.31

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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.