Home / 1,314,634.02-1,972,513.98-416,148.90

Finding the Fourth Proportional to 1,314,634.02, 1,972,513.98 and 416,148.90

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Solution

The fourth proportional to 1,314,634.02, 1,972,513.98 and 416,148.90 is: 624,401.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,634.02 : 1,972,513.98 = 416,148.90 : x
  2. Step 2: Convert to fraction form
    1,314,634.02/1,972,513.98 = 416,148.90/x
  3. Step 3: Cross multiply
    1,314,634.02x = 1,972,513.98 × 416,148.90
  4. Step 4: Simplify right side
    1,314,634.02x = 820,859,523,011.62
  5. Step 5: Solve for x
    x = 820,859,523,011.62/1,314,634.02
  6. Step 6: Final answer
    x = 624,401.55

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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.