Home / 1,202,477.89-1,803,882.90-403,987.78

Finding the Fourth Proportional to 1,202,477.89, 1,803,882.90 and 403,987.78

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Solution

The fourth proportional to 1,202,477.89, 1,803,882.90 and 403,987.78 is: 606,037.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,477.89 : 1,803,882.90 = 403,987.78 : x
  2. Step 2: Convert to fraction form
    1,202,477.89/1,803,882.90 = 403,987.78/x
  3. Step 3: Cross multiply
    1,202,477.89x = 1,803,882.90 × 403,987.78
  4. Step 4: Simplify right side
    1,202,477.89x = 728,746,648,150.96
  5. Step 5: Solve for x
    x = 728,746,648,150.96/1,202,477.89
  6. Step 6: Final answer
    x = 606,037.46

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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.