Home / 1,480,840.64-2,219,581.76-680,468.36

Finding the Fourth Proportional to 1,480,840.64, 2,219,581.76 and 680,468.36

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Solution

The fourth proportional to 1,480,840.64, 2,219,581.76 and 680,468.36 is: 1,019,930.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,840.64 : 2,219,581.76 = 680,468.36 : x
  2. Step 2: Convert to fraction form
    1,480,840.64/2,219,581.76 = 680,468.36/x
  3. Step 3: Cross multiply
    1,480,840.64x = 2,219,581.76 × 680,468.36
  4. Step 4: Simplify right side
    1,480,840.64x = 1,510,355,145,612.86
  5. Step 5: Solve for x
    x = 1,510,355,145,612.86/1,480,840.64
  6. Step 6: Final answer
    x = 1,019,930.91

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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.