Home / 1,224,315.80-1,836,473.70-425,331.80

Finding the Fourth Proportional to 1,224,315.80, 1,836,473.70 and 425,331.80

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Solution

The fourth proportional to 1,224,315.80, 1,836,473.70 and 425,331.80 is: 637,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,315.80 : 1,836,473.70 = 425,331.80 : x
  2. Step 2: Convert to fraction form
    1,224,315.80/1,836,473.70 = 425,331.80/x
  3. Step 3: Cross multiply
    1,224,315.80x = 1,836,473.70 × 425,331.80
  4. Step 4: Simplify right side
    1,224,315.80x = 781,110,664,473.66
  5. Step 5: Solve for x
    x = 781,110,664,473.66/1,224,315.80
  6. Step 6: Final answer
    x = 637,997.70

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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.