Home / 1,820,570.40-2,731,511.70-756,376.20

Finding the Fourth Proportional to 1,820,570.40, 2,731,511.70 and 756,376.20

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Solution

The fourth proportional to 1,820,570.40, 2,731,511.70 and 756,376.20 is: 1,134,836.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,570.40 : 2,731,511.70 = 756,376.20 : x
  2. Step 2: Convert to fraction form
    1,820,570.40/2,731,511.70 = 756,376.20/x
  3. Step 3: Cross multiply
    1,820,570.40x = 2,731,511.70 × 756,376.20
  4. Step 4: Simplify right side
    1,820,570.40x = 2,066,050,439,901.54
  5. Step 5: Solve for x
    x = 2,066,050,439,901.54/1,820,570.40
  6. Step 6: Final answer
    x = 1,134,836.88

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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.