Home / 1,314,470.65-1,972,055.30-415,928.35

Finding the Fourth Proportional to 1,314,470.65, 1,972,055.30 and 415,928.35

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Solution

The fourth proportional to 1,314,470.65, 1,972,055.30 and 415,928.35 is: 624,003.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,470.65 : 1,972,055.30 = 415,928.35 : x
  2. Step 2: Convert to fraction form
    1,314,470.65/1,972,055.30 = 415,928.35/x
  3. Step 3: Cross multiply
    1,314,470.65x = 1,972,055.30 × 415,928.35
  4. Step 4: Simplify right side
    1,314,470.65x = 820,233,704,958.11
  5. Step 5: Solve for x
    x = 820,233,704,958.11/1,314,470.65
  6. Step 6: Final answer
    x = 624,003.06

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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.