Home / 1,820,710.80-2,729,899.80-756,176.40

Finding the Fourth Proportional to 1,820,710.80, 2,729,899.80 and 756,176.40

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Solution

The fourth proportional to 1,820,710.80, 2,729,899.80 and 756,176.40 is: 1,133,780.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,710.80 : 2,729,899.80 = 756,176.40 : x
  2. Step 2: Convert to fraction form
    1,820,710.80/2,729,899.80 = 756,176.40/x
  3. Step 3: Cross multiply
    1,820,710.80x = 2,729,899.80 × 756,176.40
  4. Step 4: Simplify right side
    1,820,710.80x = 2,064,285,803,124.72
  5. Step 5: Solve for x
    x = 2,064,285,803,124.72/1,820,710.80
  6. Step 6: Final answer
    x = 1,133,780.17

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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.