Home / 1,309,910.40-1,807,547.67-736,938.27

Finding the Fourth Proportional to 1,309,910.40, 1,807,547.67 and 736,938.27

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Solution

The fourth proportional to 1,309,910.40, 1,807,547.67 and 736,938.27 is: 1,016,902.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,910.40 : 1,807,547.67 = 736,938.27 : x
  2. Step 2: Convert to fraction form
    1,309,910.40/1,807,547.67 = 736,938.27/x
  3. Step 3: Cross multiply
    1,309,910.40x = 1,807,547.67 × 736,938.27
  4. Step 4: Simplify right side
    1,309,910.40x = 1,332,051,052,872.33
  5. Step 5: Solve for x
    x = 1,332,051,052,872.33/1,309,910.40
  6. Step 6: Final answer
    x = 1,016,902.42

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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.