Home / 1,356,776.88-1,872,213.39-784,001.58

Finding the Fourth Proportional to 1,356,776.88, 1,872,213.39 and 784,001.58

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Solution

The fourth proportional to 1,356,776.88, 1,872,213.39 and 784,001.58 is: 1,081,842.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,776.88 : 1,872,213.39 = 784,001.58 : x
  2. Step 2: Convert to fraction form
    1,356,776.88/1,872,213.39 = 784,001.58/x
  3. Step 3: Cross multiply
    1,356,776.88x = 1,872,213.39 × 784,001.58
  4. Step 4: Simplify right side
    1,356,776.88x = 1,467,818,255,857.16
  5. Step 5: Solve for x
    x = 1,467,818,255,857.16/1,356,776.88
  6. Step 6: Final answer
    x = 1,081,842.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.