Home / 1,341,220.20-2,011,635.90-394,492.20

Finding the Fourth Proportional to 1,341,220.20, 2,011,635.90 and 394,492.20

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Solution

The fourth proportional to 1,341,220.20, 2,011,635.90 and 394,492.20 is: 591,681.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,220.20 : 2,011,635.90 = 394,492.20 : x
  2. Step 2: Convert to fraction form
    1,341,220.20/2,011,635.90 = 394,492.20/x
  3. Step 3: Cross multiply
    1,341,220.20x = 2,011,635.90 × 394,492.20
  4. Step 4: Simplify right side
    1,341,220.20x = 793,574,671,789.98
  5. Step 5: Solve for x
    x = 793,574,671,789.98/1,341,220.20
  6. Step 6: Final answer
    x = 591,681.12

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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.