Home / 1,013,520.72-1,520,039.16-303,358.08

Finding the Fourth Proportional to 1,013,520.72, 1,520,039.16 and 303,358.08

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Solution

The fourth proportional to 1,013,520.72, 1,520,039.16 and 303,358.08 is: 454,964.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,520.72 : 1,520,039.16 = 303,358.08 : x
  2. Step 2: Convert to fraction form
    1,013,520.72/1,520,039.16 = 303,358.08/x
  3. Step 3: Cross multiply
    1,013,520.72x = 1,520,039.16 × 303,358.08
  4. Step 4: Simplify right side
    1,013,520.72x = 461,116,161,102.41
  5. Step 5: Solve for x
    x = 461,116,161,102.41/1,013,520.72
  6. Step 6: Final answer
    x = 454,964.71

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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.