Home / 1,314,518.10-1,970,999.55-684,662.10

Finding the Fourth Proportional to 1,314,518.10, 1,970,999.55 and 684,662.10

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Solution

The fourth proportional to 1,314,518.10, 1,970,999.55 and 684,662.10 is: 1,026,588.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,518.10 : 1,970,999.55 = 684,662.10 : x
  2. Step 2: Convert to fraction form
    1,314,518.10/1,970,999.55 = 684,662.10/x
  3. Step 3: Cross multiply
    1,314,518.10x = 1,970,999.55 × 684,662.10
  4. Step 4: Simplify right side
    1,314,518.10x = 1,349,468,691,002.06
  5. Step 5: Solve for x
    x = 1,349,468,691,002.06/1,314,518.10
  6. Step 6: Final answer
    x = 1,026,588.14

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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.