Home / 1,400,818.74-2,101,449.21-490,255.50

Finding the Fourth Proportional to 1,400,818.74, 2,101,449.21 and 490,255.50

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Solution

The fourth proportional to 1,400,818.74, 2,101,449.21 and 490,255.50 is: 735,460.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,818.74 : 2,101,449.21 = 490,255.50 : x
  2. Step 2: Convert to fraction form
    1,400,818.74/2,101,449.21 = 490,255.50/x
  3. Step 3: Cross multiply
    1,400,818.74x = 2,101,449.21 × 490,255.50
  4. Step 4: Simplify right side
    1,400,818.74x = 1,030,247,033,173.16
  5. Step 5: Solve for x
    x = 1,030,247,033,173.16/1,400,818.74
  6. Step 6: Final answer
    x = 735,460.63

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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.