Home / 1,436,230.10-2,154,661.05-425,431.10

Finding the Fourth Proportional to 1,436,230.10, 2,154,661.05 and 425,431.10

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Solution

The fourth proportional to 1,436,230.10, 2,154,661.05 and 425,431.10 is: 638,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,230.10 : 2,154,661.05 = 425,431.10 : x
  2. Step 2: Convert to fraction form
    1,436,230.10/2,154,661.05 = 425,431.10/x
  3. Step 3: Cross multiply
    1,436,230.10x = 2,154,661.05 × 425,431.10
  4. Step 4: Simplify right side
    1,436,230.10x = 916,659,820,628.66
  5. Step 5: Solve for x
    x = 916,659,820,628.66/1,436,230.10
  6. Step 6: Final answer
    x = 638,240.22

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1.5x scale

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.