Home / 1,202,372.16-1,803,587.40-403,679.76

Finding the Fourth Proportional to 1,202,372.16, 1,803,587.40 and 403,679.76

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Solution

The fourth proportional to 1,202,372.16, 1,803,587.40 and 403,679.76 is: 605,529.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,372.16 : 1,803,587.40 = 403,679.76 : x
  2. Step 2: Convert to fraction form
    1,202,372.16/1,803,587.40 = 403,679.76/x
  3. Step 3: Cross multiply
    1,202,372.16x = 1,803,587.40 × 403,679.76
  4. Step 4: Simplify right side
    1,202,372.16x = 728,071,728,771.02
  5. Step 5: Solve for x
    x = 728,071,728,771.02/1,202,372.16
  6. Step 6: Final answer
    x = 605,529.43

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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.