Home / 1,555,892.76-2,334,014.28-490,619.64

Finding the Fourth Proportional to 1,555,892.76, 2,334,014.28 and 490,619.64

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Solution

The fourth proportional to 1,555,892.76, 2,334,014.28 and 490,619.64 is: 735,984.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,892.76 : 2,334,014.28 = 490,619.64 : x
  2. Step 2: Convert to fraction form
    1,555,892.76/2,334,014.28 = 490,619.64/x
  3. Step 3: Cross multiply
    1,555,892.76x = 2,334,014.28 × 490,619.64
  4. Step 4: Simplify right side
    1,555,892.76x = 1,145,113,245,808.46
  5. Step 5: Solve for x
    x = 1,145,113,245,808.46/1,555,892.76
  6. Step 6: Final answer
    x = 735,984.69

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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.