Home / 1,013,521.72-1,520,040.66-303,359.08

Finding the Fourth Proportional to 1,013,521.72, 1,520,040.66 and 303,359.08

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Solution

The fourth proportional to 1,013,521.72, 1,520,040.66 and 303,359.08 is: 454,966.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,521.72 : 1,520,040.66 = 303,359.08 : x
  2. Step 2: Convert to fraction form
    1,013,521.72/1,520,040.66 = 303,359.08/x
  3. Step 3: Cross multiply
    1,013,521.72x = 1,520,040.66 × 303,359.08
  4. Step 4: Simplify right side
    1,013,521.72x = 461,118,136,180.19
  5. Step 5: Solve for x
    x = 461,118,136,180.19/1,013,521.72
  6. Step 6: Final answer
    x = 454,966.21

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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.