Home / 999,972.92-1,500,115.80-325,897.58

Finding the Fourth Proportional to 999,972.92, 1,500,115.80 and 325,897.58

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Solution

The fourth proportional to 999,972.92, 1,500,115.80 and 325,897.58 is: 488,897.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,972.92 : 1,500,115.80 = 325,897.58 : x
  2. Step 2: Convert to fraction form
    999,972.92/1,500,115.80 = 325,897.58/x
  3. Step 3: Cross multiply
    999,972.92x = 1,500,115.80 × 325,897.58
  4. Step 4: Simplify right side
    999,972.92x = 488,884,108,939.76
  5. Step 5: Solve for x
    x = 488,884,108,939.76/999,972.92
  6. Step 6: Final answer
    x = 488,897.35

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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.