Home / 1,080,014.87-1,490,405.01-589,978.44

Finding the Fourth Proportional to 1,080,014.87, 1,490,405.01 and 589,978.44

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Solution

The fourth proportional to 1,080,014.87, 1,490,405.01 and 589,978.44 is: 814,161.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,014.87 : 1,490,405.01 = 589,978.44 : x
  2. Step 2: Convert to fraction form
    1,080,014.87/1,490,405.01 = 589,978.44/x
  3. Step 3: Cross multiply
    1,080,014.87x = 1,490,405.01 × 589,978.44
  4. Step 4: Simplify right side
    1,080,014.87x = 879,306,822,767.98
  5. Step 5: Solve for x
    x = 879,306,822,767.98/1,080,014.87
  6. Step 6: Final answer
    x = 814,161.78

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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.