Home / 1,485,299.04-2,228,066.28-420,347.76

Finding the Fourth Proportional to 1,485,299.04, 2,228,066.28 and 420,347.76

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Solution

The fourth proportional to 1,485,299.04, 2,228,066.28 and 420,347.76 is: 630,554.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,299.04 : 2,228,066.28 = 420,347.76 : x
  2. Step 2: Convert to fraction form
    1,485,299.04/2,228,066.28 = 420,347.76/x
  3. Step 3: Cross multiply
    1,485,299.04x = 2,228,066.28 × 420,347.76
  4. Step 4: Simplify right side
    1,485,299.04x = 936,562,669,929.53
  5. Step 5: Solve for x
    x = 936,562,669,929.53/1,485,299.04
  6. Step 6: Final answer
    x = 630,554.96

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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.