Home / 1,488,533.60-2,232,800.40-1,420,104.80

Finding the Fourth Proportional to 1,488,533.60, 2,232,800.40 and 1,420,104.80

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Solution

The fourth proportional to 1,488,533.60, 2,232,800.40 and 1,420,104.80 is: 2,130,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,533.60 : 2,232,800.40 = 1,420,104.80 : x
  2. Step 2: Convert to fraction form
    1,488,533.60/2,232,800.40 = 1,420,104.80/x
  3. Step 3: Cross multiply
    1,488,533.60x = 2,232,800.40 × 1,420,104.80
  4. Step 4: Simplify right side
    1,488,533.60x = 3,170,810,565,481.92
  5. Step 5: Solve for x
    x = 3,170,810,565,481.92/1,488,533.60
  6. Step 6: Final answer
    x = 2,130,157.20

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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.