Home / 1,239,938.10-1,859,907.15-531,350.10

Finding the Fourth Proportional to 1,239,938.10, 1,859,907.15 and 531,350.10

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Solution

The fourth proportional to 1,239,938.10, 1,859,907.15 and 531,350.10 is: 797,025.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,938.10 : 1,859,907.15 = 531,350.10 : x
  2. Step 2: Convert to fraction form
    1,239,938.10/1,859,907.15 = 531,350.10/x
  3. Step 3: Cross multiply
    1,239,938.10x = 1,859,907.15 × 531,350.10
  4. Step 4: Simplify right side
    1,239,938.10x = 988,261,850,143.22
  5. Step 5: Solve for x
    x = 988,261,850,143.22/1,239,938.10
  6. Step 6: Final answer
    x = 797,025.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.