Home / 1,405,945.12-2,108,976-408,673.12

Finding the Fourth Proportional to 1,405,945.12, 2,108,976 and 408,673.12

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Solution

The fourth proportional to 1,405,945.12, 2,108,976 and 408,673.12 is: 613,026.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,945.12 : 2,108,976 = 408,673.12 : x
  2. Step 2: Convert to fraction form
    1,405,945.12/2,108,976 = 408,673.12/x
  3. Step 3: Cross multiply
    1,405,945.12x = 2,108,976 × 408,673.12
  4. Step 4: Simplify right side
    1,405,945.12x = 861,881,801,925.12
  5. Step 5: Solve for x
    x = 861,881,801,925.12/1,405,945.12
  6. Step 6: Final answer
    x = 613,026.63

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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.