Home / 1,346,691.64-1,860,897.92-1,281,088.12

Finding the Fourth Proportional to 1,346,691.64, 1,860,897.92 and 1,281,088.12

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Solution

The fourth proportional to 1,346,691.64, 1,860,897.92 and 1,281,088.12 is: 1,770,245.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,691.64 : 1,860,897.92 = 1,281,088.12 : x
  2. Step 2: Convert to fraction form
    1,346,691.64/1,860,897.92 = 1,281,088.12/x
  3. Step 3: Cross multiply
    1,346,691.64x = 1,860,897.92 × 1,281,088.12
  4. Step 4: Simplify right side
    1,346,691.64x = 2,383,974,217,844.71
  5. Step 5: Solve for x
    x = 2,383,974,217,844.71/1,346,691.64
  6. Step 6: Final answer
    x = 1,770,245.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.