Home / 1,314,479.40-1,972,068.42-415,937.12

Finding the Fourth Proportional to 1,314,479.40, 1,972,068.42 and 415,937.12

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Solution

The fourth proportional to 1,314,479.40, 1,972,068.42 and 415,937.12 is: 624,016.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,479.40 : 1,972,068.42 = 415,937.12 : x
  2. Step 2: Convert to fraction form
    1,314,479.40/1,972,068.42 = 415,937.12/x
  3. Step 3: Cross multiply
    1,314,479.40x = 1,972,068.42 × 415,937.12
  4. Step 4: Simplify right side
    1,314,479.40x = 820,256,459,057.75
  5. Step 5: Solve for x
    x = 820,256,459,057.75/1,314,479.40
  6. Step 6: Final answer
    x = 624,016.21

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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.