Home / 1,062,142.80-1,465,738.41-578,711.40

Finding the Fourth Proportional to 1,062,142.80, 1,465,738.41 and 578,711.40

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Solution

The fourth proportional to 1,062,142.80, 1,465,738.41 and 578,711.40 is: 798,611.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,142.80 : 1,465,738.41 = 578,711.40 : x
  2. Step 2: Convert to fraction form
    1,062,142.80/1,465,738.41 = 578,711.40/x
  3. Step 3: Cross multiply
    1,062,142.80x = 1,465,738.41 × 578,711.40
  4. Step 4: Simplify right side
    1,062,142.80x = 848,239,527,284.87
  5. Step 5: Solve for x
    x = 848,239,527,284.87/1,062,142.80
  6. Step 6: Final answer
    x = 798,611.57

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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.