Home / 1,269,771.40-1,904,657.10-989,498.44

Finding the Fourth Proportional to 1,269,771.40, 1,904,657.10 and 989,498.44

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Solution

The fourth proportional to 1,269,771.40, 1,904,657.10 and 989,498.44 is: 1,484,247.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,771.40 : 1,904,657.10 = 989,498.44 : x
  2. Step 2: Convert to fraction form
    1,269,771.40/1,904,657.10 = 989,498.44/x
  3. Step 3: Cross multiply
    1,269,771.40x = 1,904,657.10 × 989,498.44
  4. Step 4: Simplify right side
    1,269,771.40x = 1,884,655,229,184.92
  5. Step 5: Solve for x
    x = 1,884,655,229,184.92/1,269,771.40
  6. Step 6: Final answer
    x = 1,484,247.66

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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.