Home / 1,202,477.64-1,803,882.54-403,987.55

Finding the Fourth Proportional to 1,202,477.64, 1,803,882.54 and 403,987.55

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Solution

The fourth proportional to 1,202,477.64, 1,803,882.54 and 403,987.55 is: 606,037.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,477.64 : 1,803,882.54 = 403,987.55 : x
  2. Step 2: Convert to fraction form
    1,202,477.64/1,803,882.54 = 403,987.55/x
  3. Step 3: Cross multiply
    1,202,477.64x = 1,803,882.54 × 403,987.55
  4. Step 4: Simplify right side
    1,202,477.64x = 728,746,078,802.96
  5. Step 5: Solve for x
    x = 728,746,078,802.96/1,202,477.64
  6. Step 6: Final answer
    x = 606,037.11

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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.