Home / 1,314,945.40-1,972,418.10-801,219.10

Finding the Fourth Proportional to 1,314,945.40, 1,972,418.10 and 801,219.10

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Solution

The fourth proportional to 1,314,945.40, 1,972,418.10 and 801,219.10 is: 1,201,828.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,945.40 : 1,972,418.10 = 801,219.10 : x
  2. Step 2: Convert to fraction form
    1,314,945.40/1,972,418.10 = 801,219.10/x
  3. Step 3: Cross multiply
    1,314,945.40x = 1,972,418.10 × 801,219.10
  4. Step 4: Simplify right side
    1,314,945.40x = 1,580,339,054,905.71
  5. Step 5: Solve for x
    x = 1,580,339,054,905.71/1,314,945.40
  6. Step 6: Final answer
    x = 1,201,828.65

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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.