Home / 1,997,145.20-2,996,106.60-859,905.20

Finding the Fourth Proportional to 1,997,145.20, 2,996,106.60 and 859,905.20

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Solution

The fourth proportional to 1,997,145.20, 2,996,106.60 and 859,905.20 is: 1,290,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,145.20 : 2,996,106.60 = 859,905.20 : x
  2. Step 2: Convert to fraction form
    1,997,145.20/2,996,106.60 = 859,905.20/x
  3. Step 3: Cross multiply
    1,997,145.20x = 2,996,106.60 × 859,905.20
  4. Step 4: Simplify right side
    1,997,145.20x = 2,576,367,645,094.32
  5. Step 5: Solve for x
    x = 2,576,367,645,094.32/1,997,145.20
  6. Step 6: Final answer
    x = 1,290,025.20

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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.