Home / 1,450,401.19-2,175,601.78-453,129.19

Finding the Fourth Proportional to 1,450,401.19, 2,175,601.78 and 453,129.19

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Solution

The fourth proportional to 1,450,401.19, 2,175,601.78 and 453,129.19 is: 679,693.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,401.19 : 2,175,601.78 = 453,129.19 : x
  2. Step 2: Convert to fraction form
    1,450,401.19/2,175,601.78 = 453,129.19/x
  3. Step 3: Cross multiply
    1,450,401.19x = 2,175,601.78 × 453,129.19
  4. Step 4: Simplify right side
    1,450,401.19x = 985,828,667,461.37
  5. Step 5: Solve for x
    x = 985,828,667,461.37/1,450,401.19
  6. Step 6: Final answer
    x = 679,693.78

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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.