Home / 1,539,956.40-2,125,084.12-842,213.37

Finding the Fourth Proportional to 1,539,956.40, 2,125,084.12 and 842,213.37

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Solution

The fourth proportional to 1,539,956.40, 2,125,084.12 and 842,213.37 is: 1,162,223.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,956.40 : 2,125,084.12 = 842,213.37 : x
  2. Step 2: Convert to fraction form
    1,539,956.40/2,125,084.12 = 842,213.37/x
  3. Step 3: Cross multiply
    1,539,956.40x = 2,125,084.12 × 842,213.37
  4. Step 4: Simplify right side
    1,539,956.40x = 1,789,774,258,238.68
  5. Step 5: Solve for x
    x = 1,789,774,258,238.68/1,539,956.40
  6. Step 6: Final answer
    x = 1,162,223.98

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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.