Home / 1,276,862.70-1,762,082.34-703,923.39

Finding the Fourth Proportional to 1,276,862.70, 1,762,082.34 and 703,923.39

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Solution

The fourth proportional to 1,276,862.70, 1,762,082.34 and 703,923.39 is: 971,420.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,862.70 : 1,762,082.34 = 703,923.39 : x
  2. Step 2: Convert to fraction form
    1,276,862.70/1,762,082.34 = 703,923.39/x
  3. Step 3: Cross multiply
    1,276,862.70x = 1,762,082.34 × 703,923.39
  4. Step 4: Simplify right side
    1,276,862.70x = 1,240,370,974,231.93
  5. Step 5: Solve for x
    x = 1,240,370,974,231.93/1,276,862.70
  6. Step 6: Final answer
    x = 971,420.79

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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.