Home / 802,381.32-1,196,398.48-780,336.36

Finding the Fourth Proportional to 802,381.32, 1,196,398.48 and 780,336.36

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Solution

The fourth proportional to 802,381.32, 1,196,398.48 and 780,336.36 is: 1,163,528.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,381.32 : 1,196,398.48 = 780,336.36 : x
  2. Step 2: Convert to fraction form
    802,381.32/1,196,398.48 = 780,336.36/x
  3. Step 3: Cross multiply
    802,381.32x = 1,196,398.48 × 780,336.36
  4. Step 4: Simplify right side
    802,381.32x = 933,593,234,992.73
  5. Step 5: Solve for x
    x = 933,593,234,992.73/802,381.32
  6. Step 6: Final answer
    x = 1,163,528.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.