Home / 1,115,253.68-1,671,940.10-483,691.82

Finding the Fourth Proportional to 1,115,253.68, 1,671,940.10 and 483,691.82

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Solution

The fourth proportional to 1,115,253.68, 1,671,940.10 and 483,691.82 is: 725,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,253.68 : 1,671,940.10 = 483,691.82 : x
  2. Step 2: Convert to fraction form
    1,115,253.68/1,671,940.10 = 483,691.82/x
  3. Step 3: Cross multiply
    1,115,253.68x = 1,671,940.10 × 483,691.82
  4. Step 4: Simplify right side
    1,115,253.68x = 808,703,742,749.51
  5. Step 5: Solve for x
    x = 808,703,742,749.51/1,115,253.68
  6. Step 6: Final answer
    x = 725,129.86

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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.