Home / 1,130,190.64-1,695,299.13-331,488.12

Finding the Fourth Proportional to 1,130,190.64, 1,695,299.13 and 331,488.12

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Solution

The fourth proportional to 1,130,190.64, 1,695,299.13 and 331,488.12 is: 497,236.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,190.64 : 1,695,299.13 = 331,488.12 : x
  2. Step 2: Convert to fraction form
    1,130,190.64/1,695,299.13 = 331,488.12/x
  3. Step 3: Cross multiply
    1,130,190.64x = 1,695,299.13 × 331,488.12
  4. Step 4: Simplify right side
    1,130,190.64x = 561,971,521,441.34
  5. Step 5: Solve for x
    x = 561,971,521,441.34/1,130,190.64
  6. Step 6: Final answer
    x = 497,236.04

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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.