Home / 1,301,284.66-1,795,772.55-728,324.83

Finding the Fourth Proportional to 1,301,284.66, 1,795,772.55 and 728,324.83

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Solution

The fourth proportional to 1,301,284.66, 1,795,772.55 and 728,324.83 is: 1,005,088.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,284.66 : 1,795,772.55 = 728,324.83 : x
  2. Step 2: Convert to fraction form
    1,301,284.66/1,795,772.55 = 728,324.83/x
  3. Step 3: Cross multiply
    1,301,284.66x = 1,795,772.55 × 728,324.83
  4. Step 4: Simplify right side
    1,301,284.66x = 1,307,905,737,197.42
  5. Step 5: Solve for x
    x = 1,307,905,737,197.42/1,301,284.66
  6. Step 6: Final answer
    x = 1,005,088.11

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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.