Home / 1,030,319.53-1,420,605.36-667,611.04

Finding the Fourth Proportional to 1,030,319.53, 1,420,605.36 and 667,611.04

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Solution

The fourth proportional to 1,030,319.53, 1,420,605.36 and 667,611.04 is: 920,502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,319.53 : 1,420,605.36 = 667,611.04 : x
  2. Step 2: Convert to fraction form
    1,030,319.53/1,420,605.36 = 667,611.04/x
  3. Step 3: Cross multiply
    1,030,319.53x = 1,420,605.36 × 667,611.04
  4. Step 4: Simplify right side
    1,030,319.53x = 948,411,821,819.18
  5. Step 5: Solve for x
    x = 948,411,821,819.18/1,030,319.53
  6. Step 6: Final answer
    x = 920,502.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.