Home / 1,115,253.55-1,671,939.91-483,691.69

Finding the Fourth Proportional to 1,115,253.55, 1,671,939.91 and 483,691.69

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Solution

The fourth proportional to 1,115,253.55, 1,671,939.91 and 483,691.69 is: 725,129.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,253.55 : 1,671,939.91 = 483,691.69 : x
  2. Step 2: Convert to fraction form
    1,115,253.55/1,671,939.91 = 483,691.69/x
  3. Step 3: Cross multiply
    1,115,253.55x = 1,671,939.91 × 483,691.69
  4. Step 4: Simplify right side
    1,115,253.55x = 808,703,440,646.35
  5. Step 5: Solve for x
    x = 808,703,440,646.35/1,115,253.55
  6. Step 6: Final answer
    x = 725,129.67

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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.