Home / 1,214,910.10-1,822,365.15-978,714.10

Finding the Fourth Proportional to 1,214,910.10, 1,822,365.15 and 978,714.10

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Solution

The fourth proportional to 1,214,910.10, 1,822,365.15 and 978,714.10 is: 1,468,071.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,910.10 : 1,822,365.15 = 978,714.10 : x
  2. Step 2: Convert to fraction form
    1,214,910.10/1,822,365.15 = 978,714.10/x
  3. Step 3: Cross multiply
    1,214,910.10x = 1,822,365.15 × 978,714.10
  4. Step 4: Simplify right side
    1,214,910.10x = 1,783,574,467,653.61
  5. Step 5: Solve for x
    x = 1,783,574,467,653.61/1,214,910.10
  6. Step 6: Final answer
    x = 1,468,071.15

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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.