Home / 1,694,785.32-2,338,795.76-920,410.74

Finding the Fourth Proportional to 1,694,785.32, 2,338,795.76 and 920,410.74

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Solution

The fourth proportional to 1,694,785.32, 2,338,795.76 and 920,410.74 is: 1,270,162.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694,785.32 : 2,338,795.76 = 920,410.74 : x
  2. Step 2: Convert to fraction form
    1,694,785.32/2,338,795.76 = 920,410.74/x
  3. Step 3: Cross multiply
    1,694,785.32x = 2,338,795.76 × 920,410.74
  4. Step 4: Simplify right side
    1,694,785.32x = 2,152,652,731,568.41
  5. Step 5: Solve for x
    x = 2,152,652,731,568.41/1,694,785.32
  6. Step 6: Final answer
    x = 1,270,162.48

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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.