Home / 1,258,247.36-1,887,229.74-347,559.28

Finding the Fourth Proportional to 1,258,247.36, 1,887,229.74 and 347,559.28

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Solution

The fourth proportional to 1,258,247.36, 1,887,229.74 and 347,559.28 is: 521,299.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,247.36 : 1,887,229.74 = 347,559.28 : x
  2. Step 2: Convert to fraction form
    1,258,247.36/1,887,229.74 = 347,559.28/x
  3. Step 3: Cross multiply
    1,258,247.36x = 1,887,229.74 × 347,559.28
  4. Step 4: Simplify right side
    1,258,247.36x = 655,924,209,628.99
  5. Step 5: Solve for x
    x = 655,924,209,628.99/1,258,247.36
  6. Step 6: Final answer
    x = 521,299.89

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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.