Home / 1,785,665.84-2,678,498.76-788,195.12

Finding the Fourth Proportional to 1,785,665.84, 2,678,498.76 and 788,195.12

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Solution

The fourth proportional to 1,785,665.84, 2,678,498.76 and 788,195.12 is: 1,182,292.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,665.84 : 2,678,498.76 = 788,195.12 : x
  2. Step 2: Convert to fraction form
    1,785,665.84/2,678,498.76 = 788,195.12/x
  3. Step 3: Cross multiply
    1,785,665.84x = 2,678,498.76 × 788,195.12
  4. Step 4: Simplify right side
    1,785,665.84x = 2,111,179,651,558.05
  5. Step 5: Solve for x
    x = 2,111,179,651,558.05/1,785,665.84
  6. Step 6: Final answer
    x = 1,182,292.68

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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.