Home / 1,259,035.46-1,737,471.15-686,075.64

Finding the Fourth Proportional to 1,259,035.46, 1,737,471.15 and 686,075.64

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Solution

The fourth proportional to 1,259,035.46, 1,737,471.15 and 686,075.64 is: 946,785.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,035.46 : 1,737,471.15 = 686,075.64 : x
  2. Step 2: Convert to fraction form
    1,259,035.46/1,737,471.15 = 686,075.64/x
  3. Step 3: Cross multiply
    1,259,035.46x = 1,737,471.15 × 686,075.64
  4. Step 4: Simplify right side
    1,259,035.46x = 1,192,036,631,217.79
  5. Step 5: Solve for x
    x = 1,192,036,631,217.79/1,259,035.46
  6. Step 6: Final answer
    x = 946,785.59

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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.