Home / 1,108,611.72-1,663,541.28-603,209.16

Finding the Fourth Proportional to 1,108,611.72, 1,663,541.28 and 603,209.16

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Solution

The fourth proportional to 1,108,611.72, 1,663,541.28 and 603,209.16 is: 905,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,611.72 : 1,663,541.28 = 603,209.16 : x
  2. Step 2: Convert to fraction form
    1,108,611.72/1,663,541.28 = 603,209.16/x
  3. Step 3: Cross multiply
    1,108,611.72x = 1,663,541.28 × 603,209.16
  4. Step 4: Simplify right side
    1,108,611.72x = 1,003,463,338,134.12
  5. Step 5: Solve for x
    x = 1,003,463,338,134.12/1,108,611.72
  6. Step 6: Final answer
    x = 905,153.10

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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.