Home / 1,094,113.68-1,640,047.86-420,013.46

Finding the Fourth Proportional to 1,094,113.68, 1,640,047.86 and 420,013.46

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Solution

The fourth proportional to 1,094,113.68, 1,640,047.86 and 420,013.46 is: 629,589.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,113.68 : 1,640,047.86 = 420,013.46 : x
  2. Step 2: Convert to fraction form
    1,094,113.68/1,640,047.86 = 420,013.46/x
  3. Step 3: Cross multiply
    1,094,113.68x = 1,640,047.86 × 420,013.46
  4. Step 4: Simplify right side
    1,094,113.68x = 688,842,168,043.96
  5. Step 5: Solve for x
    x = 688,842,168,043.96/1,094,113.68
  6. Step 6: Final answer
    x = 629,589.21

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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.