Home / 1,485,328.55-2,049,785.99-904,578.90

Finding the Fourth Proportional to 1,485,328.55, 2,049,785.99 and 904,578.90

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Solution

The fourth proportional to 1,485,328.55, 2,049,785.99 and 904,578.90 is: 1,248,338.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,328.55 : 2,049,785.99 = 904,578.90 : x
  2. Step 2: Convert to fraction form
    1,485,328.55/2,049,785.99 = 904,578.90/x
  3. Step 3: Cross multiply
    1,485,328.55x = 2,049,785.99 × 904,578.90
  4. Step 4: Simplify right side
    1,485,328.55x = 1,854,193,156,069.61
  5. Step 5: Solve for x
    x = 1,854,193,156,069.61/1,485,328.55
  6. Step 6: Final answer
    x = 1,248,338.73

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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.