Home / 1,423,631.73-1,964,611.85-779,051.96

Finding the Fourth Proportional to 1,423,631.73, 1,964,611.85 and 779,051.96

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Solution

The fourth proportional to 1,423,631.73, 1,964,611.85 and 779,051.96 is: 1,075,091.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,631.73 : 1,964,611.85 = 779,051.96 : x
  2. Step 2: Convert to fraction form
    1,423,631.73/1,964,611.85 = 779,051.96/x
  3. Step 3: Cross multiply
    1,423,631.73x = 1,964,611.85 × 779,051.96
  4. Step 4: Simplify right side
    1,423,631.73x = 1,530,534,698,663.41
  5. Step 5: Solve for x
    x = 1,530,534,698,663.41/1,423,631.73
  6. Step 6: Final answer
    x = 1,075,091.73

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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.