Home / 1,224,455.55-1,836,724.34-425,744.01

Finding the Fourth Proportional to 1,224,455.55, 1,836,724.34 and 425,744.01

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Solution

The fourth proportional to 1,224,455.55, 1,836,724.34 and 425,744.01 is: 638,630.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,455.55 : 1,836,724.34 = 425,744.01 : x
  2. Step 2: Convert to fraction form
    1,224,455.55/1,836,724.34 = 425,744.01/x
  3. Step 3: Cross multiply
    1,224,455.55x = 1,836,724.34 × 425,744.01
  4. Step 4: Simplify right side
    1,224,455.55x = 781,974,388,239.29
  5. Step 5: Solve for x
    x = 781,974,388,239.29/1,224,455.55
  6. Step 6: Final answer
    x = 638,630.28

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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.