Home / 1,070,769.12-1,604,012.16-644,069.28

Finding the Fourth Proportional to 1,070,769.12, 1,604,012.16 and 644,069.28

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Solution

The fourth proportional to 1,070,769.12, 1,604,012.16 and 644,069.28 is: 964,815.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,769.12 : 1,604,012.16 = 644,069.28 : x
  2. Step 2: Convert to fraction form
    1,070,769.12/1,604,012.16 = 644,069.28/x
  3. Step 3: Cross multiply
    1,070,769.12x = 1,604,012.16 × 644,069.28
  4. Step 4: Simplify right side
    1,070,769.12x = 1,033,094,957,002.44
  5. Step 5: Solve for x
    x = 1,033,094,957,002.44/1,070,769.12
  6. Step 6: Final answer
    x = 964,815.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.