Home / 1,480,749.90-2,220,468.21-681,837.90

Finding the Fourth Proportional to 1,480,749.90, 2,220,468.21 and 681,837.90

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Solution

The fourth proportional to 1,480,749.90, 2,220,468.21 and 681,837.90 is: 1,022,454.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,749.90 : 2,220,468.21 = 681,837.90 : x
  2. Step 2: Convert to fraction form
    1,480,749.90/2,220,468.21 = 681,837.90/x
  3. Step 3: Cross multiply
    1,480,749.90x = 2,220,468.21 × 681,837.90
  4. Step 4: Simplify right side
    1,480,749.90x = 1,513,999,381,323.16
  5. Step 5: Solve for x
    x = 1,513,999,381,323.16/1,480,749.90
  6. Step 6: Final answer
    x = 1,022,454.49

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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.