Home / 1,405,941.12-2,108,970-408,669.12

Finding the Fourth Proportional to 1,405,941.12, 2,108,970 and 408,669.12

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Solution

The fourth proportional to 1,405,941.12, 2,108,970 and 408,669.12 is: 613,020.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,941.12 : 2,108,970 = 408,669.12 : x
  2. Step 2: Convert to fraction form
    1,405,941.12/2,108,970 = 408,669.12/x
  3. Step 3: Cross multiply
    1,405,941.12x = 2,108,970 × 408,669.12
  4. Step 4: Simplify right side
    1,405,941.12x = 861,870,914,006.40
  5. Step 5: Solve for x
    x = 861,870,914,006.40/1,405,941.12
  6. Step 6: Final answer
    x = 613,020.63

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1.5x scale

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.