Home / 1,820,740.80-2,729,944.80-756,206.40

Finding the Fourth Proportional to 1,820,740.80, 2,729,944.80 and 756,206.40

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Solution

The fourth proportional to 1,820,740.80, 2,729,944.80 and 756,206.40 is: 1,133,825.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,740.80 : 2,729,944.80 = 756,206.40 : x
  2. Step 2: Convert to fraction form
    1,820,740.80/2,729,944.80 = 756,206.40/x
  3. Step 3: Cross multiply
    1,820,740.80x = 2,729,944.80 × 756,206.40
  4. Step 4: Simplify right side
    1,820,740.80x = 2,064,401,729,406.72
  5. Step 5: Solve for x
    x = 2,064,401,729,406.72/1,820,740.80
  6. Step 6: Final answer
    x = 1,133,825.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.