Home / 1,013,089.20-1,519,439.40-303,140.40

Finding the Fourth Proportional to 1,013,089.20, 1,519,439.40 and 303,140.40

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Solution

The fourth proportional to 1,013,089.20, 1,519,439.40 and 303,140.40 is: 454,652.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,089.20 : 1,519,439.40 = 303,140.40 : x
  2. Step 2: Convert to fraction form
    1,013,089.20/1,519,439.40 = 303,140.40/x
  3. Step 3: Cross multiply
    1,013,089.20x = 1,519,439.40 × 303,140.40
  4. Step 4: Simplify right side
    1,013,089.20x = 460,603,467,491.76
  5. Step 5: Solve for x
    x = 460,603,467,491.76/1,013,089.20
  6. Step 6: Final answer
    x = 454,652.43

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Double scale
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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.