Home / 1,314,937.40-1,972,406.10-683,769.20

Finding the Fourth Proportional to 1,314,937.40, 1,972,406.10 and 683,769.20

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Solution

The fourth proportional to 1,314,937.40, 1,972,406.10 and 683,769.20 is: 1,025,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,937.40 : 1,972,406.10 = 683,769.20 : x
  2. Step 2: Convert to fraction form
    1,314,937.40/1,972,406.10 = 683,769.20/x
  3. Step 3: Cross multiply
    1,314,937.40x = 1,972,406.10 × 683,769.20
  4. Step 4: Simplify right side
    1,314,937.40x = 1,348,670,541,072.12
  5. Step 5: Solve for x
    x = 1,348,670,541,072.12/1,314,937.40
  6. Step 6: Final answer
    x = 1,025,653.80

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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.