Home / 1,307,776.80-1,804,785.12-734,815.20

Finding the Fourth Proportional to 1,307,776.80, 1,804,785.12 and 734,815.20

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Solution

The fourth proportional to 1,307,776.80, 1,804,785.12 and 734,815.20 is: 1,014,074.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,776.80 : 1,804,785.12 = 734,815.20 : x
  2. Step 2: Convert to fraction form
    1,307,776.80/1,804,785.12 = 734,815.20/x
  3. Step 3: Cross multiply
    1,307,776.80x = 1,804,785.12 × 734,815.20
  4. Step 4: Simplify right side
    1,307,776.80x = 1,326,183,538,909.82
  5. Step 5: Solve for x
    x = 1,326,183,538,909.82/1,307,776.80
  6. Step 6: Final answer
    x = 1,014,074.83

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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.