Home / 1,420,601.60-1,960,473.30-776,063.31

Finding the Fourth Proportional to 1,420,601.60, 1,960,473.30 and 776,063.31

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Solution

The fourth proportional to 1,420,601.60, 1,960,473.30 and 776,063.31 is: 1,070,990.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,601.60 : 1,960,473.30 = 776,063.31 : x
  2. Step 2: Convert to fraction form
    1,420,601.60/1,960,473.30 = 776,063.31/x
  3. Step 3: Cross multiply
    1,420,601.60x = 1,960,473.30 × 776,063.31
  4. Step 4: Simplify right side
    1,420,601.60x = 1,521,451,398,364.62
  5. Step 5: Solve for x
    x = 1,521,451,398,364.62/1,420,601.60
  6. Step 6: Final answer
    x = 1,070,990.91

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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.