Home / 1,309,930.32-1,807,607.16-736,860.18

Finding the Fourth Proportional to 1,309,930.32, 1,807,607.16 and 736,860.18

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Solution

The fourth proportional to 1,309,930.32, 1,807,607.16 and 736,860.18 is: 1,016,812.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,930.32 : 1,807,607.16 = 736,860.18 : x
  2. Step 2: Convert to fraction form
    1,309,930.32/1,807,607.16 = 736,860.18/x
  3. Step 3: Cross multiply
    1,309,930.32x = 1,807,607.16 × 736,860.18
  4. Step 4: Simplify right side
    1,309,930.32x = 1,331,953,737,286.89
  5. Step 5: Solve for x
    x = 1,331,953,737,286.89/1,309,930.32
  6. Step 6: Final answer
    x = 1,016,812.66

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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.