Home / 1,321,037.60-1,980,244.20-609,825.20

Finding the Fourth Proportional to 1,321,037.60, 1,980,244.20 and 609,825.20

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Solution

The fourth proportional to 1,321,037.60, 1,980,244.20 and 609,825.20 is: 914,132.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,037.60 : 1,980,244.20 = 609,825.20 : x
  2. Step 2: Convert to fraction form
    1,321,037.60/1,980,244.20 = 609,825.20/x
  3. Step 3: Cross multiply
    1,321,037.60x = 1,980,244.20 × 609,825.20
  4. Step 4: Simplify right side
    1,321,037.60x = 1,207,602,815,313.84
  5. Step 5: Solve for x
    x = 1,207,602,815,313.84/1,321,037.60
  6. Step 6: Final answer
    x = 914,132.05

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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.