Home / 1,228,993.92-1,695,543.30-907,475.76

Finding the Fourth Proportional to 1,228,993.92, 1,695,543.30 and 907,475.76

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Solution

The fourth proportional to 1,228,993.92, 1,695,543.30 and 907,475.76 is: 1,251,970.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,993.92 : 1,695,543.30 = 907,475.76 : x
  2. Step 2: Convert to fraction form
    1,228,993.92/1,695,543.30 = 907,475.76/x
  3. Step 3: Cross multiply
    1,228,993.92x = 1,695,543.30 × 907,475.76
  4. Step 4: Simplify right side
    1,228,993.92x = 1,538,664,444,780.41
  5. Step 5: Solve for x
    x = 1,538,664,444,780.41/1,228,993.92
  6. Step 6: Final answer
    x = 1,251,970.75

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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.