Home / 1,277,010-1,915,815.69-378,459.18

Finding the Fourth Proportional to 1,277,010, 1,915,815.69 and 378,459.18

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Solution

The fourth proportional to 1,277,010, 1,915,815.69 and 378,459.18 is: 567,777.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,010 : 1,915,815.69 = 378,459.18 : x
  2. Step 2: Convert to fraction form
    1,277,010/1,915,815.69 = 378,459.18/x
  3. Step 3: Cross multiply
    1,277,010x = 1,915,815.69 × 378,459.18
  4. Step 4: Simplify right side
    1,277,010x = 725,058,035,068.53
  5. Step 5: Solve for x
    x = 725,058,035,068.53/1,277,010
  6. Step 6: Final answer
    x = 567,777.88

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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.