Home / 1,785,307.84-2,678,415.04-826,454.72

Finding the Fourth Proportional to 1,785,307.84, 2,678,415.04 and 826,454.72

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Solution

The fourth proportional to 1,785,307.84, 2,678,415.04 and 826,454.72 is: 1,239,891.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,307.84 : 2,678,415.04 = 826,454.72 : x
  2. Step 2: Convert to fraction form
    1,785,307.84/2,678,415.04 = 826,454.72/x
  3. Step 3: Cross multiply
    1,785,307.84x = 2,678,415.04 × 826,454.72
  4. Step 4: Simplify right side
    1,785,307.84x = 2,213,588,751,926.99
  5. Step 5: Solve for x
    x = 2,213,588,751,926.99/1,785,307.84
  6. Step 6: Final answer
    x = 1,239,891.91

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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.