Home / 1,485,140.16-2,227,799.28-420,263.04

Finding the Fourth Proportional to 1,485,140.16, 2,227,799.28 and 420,263.04

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Solution

The fourth proportional to 1,485,140.16, 2,227,799.28 and 420,263.04 is: 630,419.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,140.16 : 2,227,799.28 = 420,263.04 : x
  2. Step 2: Convert to fraction form
    1,485,140.16/2,227,799.28 = 420,263.04/x
  3. Step 3: Cross multiply
    1,485,140.16x = 2,227,799.28 × 420,263.04
  4. Step 4: Simplify right side
    1,485,140.16x = 936,261,697,922.61
  5. Step 5: Solve for x
    x = 936,261,697,922.61/1,485,140.16
  6. Step 6: Final answer
    x = 630,419.76

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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.