Home / 1,009,071.78-1,392,529.98-550,182.66

Finding the Fourth Proportional to 1,009,071.78, 1,392,529.98 and 550,182.66

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Solution

The fourth proportional to 1,009,071.78, 1,392,529.98 and 550,182.66 is: 759,258.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,071.78 : 1,392,529.98 = 550,182.66 : x
  2. Step 2: Convert to fraction form
    1,009,071.78/1,392,529.98 = 550,182.66/x
  3. Step 3: Cross multiply
    1,009,071.78x = 1,392,529.98 × 550,182.66
  4. Step 4: Simplify right side
    1,009,071.78x = 766,145,848,526.15
  5. Step 5: Solve for x
    x = 766,145,848,526.15/1,009,071.78
  6. Step 6: Final answer
    x = 759,258.03

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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.