Home / 1,013,189.70-1,519,590.15-303,240.90

Finding the Fourth Proportional to 1,013,189.70, 1,519,590.15 and 303,240.90

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Solution

The fourth proportional to 1,013,189.70, 1,519,590.15 and 303,240.90 is: 454,803.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,189.70 : 1,519,590.15 = 303,240.90 : x
  2. Step 2: Convert to fraction form
    1,013,189.70/1,519,590.15 = 303,240.90/x
  3. Step 3: Cross multiply
    1,013,189.70x = 1,519,590.15 × 303,240.90
  4. Step 4: Simplify right side
    1,013,189.70x = 460,801,884,717.14
  5. Step 5: Solve for x
    x = 460,801,884,717.14/1,013,189.70
  6. Step 6: Final answer
    x = 454,803.17

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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.