Home / 1,228,624.65-1,843,767.35-429,913.11

Finding the Fourth Proportional to 1,228,624.65, 1,843,767.35 and 429,913.11

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Solution

The fourth proportional to 1,228,624.65, 1,843,767.35 and 429,913.11 is: 645,160.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,624.65 : 1,843,767.35 = 429,913.11 : x
  2. Step 2: Convert to fraction form
    1,228,624.65/1,843,767.35 = 429,913.11/x
  3. Step 3: Cross multiply
    1,228,624.65x = 1,843,767.35 × 429,913.11
  4. Step 4: Simplify right side
    1,228,624.65x = 792,659,761,390.99
  5. Step 5: Solve for x
    x = 792,659,761,390.99/1,228,624.65
  6. Step 6: Final answer
    x = 645,160.23

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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.