Home / 1,571,243.58-2,168,147.79-1,054,892.88

Finding the Fourth Proportional to 1,571,243.58, 2,168,147.79 and 1,054,892.88

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Solution

The fourth proportional to 1,571,243.58, 2,168,147.79 and 1,054,892.88 is: 1,455,639.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,243.58 : 2,168,147.79 = 1,054,892.88 : x
  2. Step 2: Convert to fraction form
    1,571,243.58/2,168,147.79 = 1,054,892.88/x
  3. Step 3: Cross multiply
    1,571,243.58x = 2,168,147.79 × 1,054,892.88
  4. Step 4: Simplify right side
    1,571,243.58x = 2,287,163,666,458.74
  5. Step 5: Solve for x
    x = 2,287,163,666,458.74/1,571,243.58
  6. Step 6: Final answer
    x = 1,455,639.15

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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.