Home / 1,010,431.72-1,393,912.37-683,859.16

Finding the Fourth Proportional to 1,010,431.72, 1,393,912.37 and 683,859.16

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Solution

The fourth proportional to 1,010,431.72, 1,393,912.37 and 683,859.16 is: 943,398.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,431.72 : 1,393,912.37 = 683,859.16 : x
  2. Step 2: Convert to fraction form
    1,010,431.72/1,393,912.37 = 683,859.16/x
  3. Step 3: Cross multiply
    1,010,431.72x = 1,393,912.37 × 683,859.16
  4. Step 4: Simplify right side
    1,010,431.72x = 953,239,742,461.81
  5. Step 5: Solve for x
    x = 953,239,742,461.81/1,010,431.72
  6. Step 6: Final answer
    x = 943,398.47

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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.