Home / 1,314,470.40-1,972,054.92-415,928.10

Finding the Fourth Proportional to 1,314,470.40, 1,972,054.92 and 415,928.10

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Solution

The fourth proportional to 1,314,470.40, 1,972,054.92 and 415,928.10 is: 624,002.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,470.40 : 1,972,054.92 = 415,928.10 : x
  2. Step 2: Convert to fraction form
    1,314,470.40/1,972,054.92 = 415,928.10/x
  3. Step 3: Cross multiply
    1,314,470.40x = 1,972,054.92 × 415,928.10
  4. Step 4: Simplify right side
    1,314,470.40x = 820,233,055,971.25
  5. Step 5: Solve for x
    x = 820,233,055,971.25/1,314,470.40
  6. Step 6: Final answer
    x = 624,002.68

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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.