Home / 1,251,365.06-1,725,966.55-821,488.34

Finding the Fourth Proportional to 1,251,365.06, 1,725,966.55 and 821,488.34

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Solution

The fourth proportional to 1,251,365.06, 1,725,966.55 and 821,488.34 is: 1,133,051.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,365.06 : 1,725,966.55 = 821,488.34 : x
  2. Step 2: Convert to fraction form
    1,251,365.06/1,725,966.55 = 821,488.34/x
  3. Step 3: Cross multiply
    1,251,365.06x = 1,725,966.55 × 821,488.34
  4. Step 4: Simplify right side
    1,251,365.06x = 1,417,861,396,055.03
  5. Step 5: Solve for x
    x = 1,417,861,396,055.03/1,251,365.06
  6. Step 6: Final answer
    x = 1,133,051.77

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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.