Home / 1,578,819.39-2,179,767.02-1,095,215.37

Finding the Fourth Proportional to 1,578,819.39, 2,179,767.02 and 1,095,215.37

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Solution

The fourth proportional to 1,578,819.39, 2,179,767.02 and 1,095,215.37 is: 1,512,088.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,819.39 : 2,179,767.02 = 1,095,215.37 : x
  2. Step 2: Convert to fraction form
    1,578,819.39/2,179,767.02 = 1,095,215.37/x
  3. Step 3: Cross multiply
    1,578,819.39x = 2,179,767.02 × 1,095,215.37
  4. Step 4: Simplify right side
    1,578,819.39x = 2,387,314,337,847.02
  5. Step 5: Solve for x
    x = 2,387,314,337,847.02/1,578,819.39
  6. Step 6: Final answer
    x = 1,512,088.31

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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.