Home / 1,422,404.10-2,133,606.15-1,314,269.70

Finding the Fourth Proportional to 1,422,404.10, 2,133,606.15 and 1,314,269.70

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Solution

The fourth proportional to 1,422,404.10, 2,133,606.15 and 1,314,269.70 is: 1,971,404.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,404.10 : 2,133,606.15 = 1,314,269.70 : x
  2. Step 2: Convert to fraction form
    1,422,404.10/2,133,606.15 = 1,314,269.70/x
  3. Step 3: Cross multiply
    1,422,404.10x = 2,133,606.15 × 1,314,269.70
  4. Step 4: Simplify right side
    1,422,404.10x = 2,804,133,914,678.65
  5. Step 5: Solve for x
    x = 2,804,133,914,678.65/1,422,404.10
  6. Step 6: Final answer
    x = 1,971,404.55

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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.