Home / 1,295,080.60-1,942,620.90-1,011,645.40

Finding the Fourth Proportional to 1,295,080.60, 1,942,620.90 and 1,011,645.40

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Solution

The fourth proportional to 1,295,080.60, 1,942,620.90 and 1,011,645.40 is: 1,517,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,080.60 : 1,942,620.90 = 1,011,645.40 : x
  2. Step 2: Convert to fraction form
    1,295,080.60/1,942,620.90 = 1,011,645.40/x
  3. Step 3: Cross multiply
    1,295,080.60x = 1,942,620.90 × 1,011,645.40
  4. Step 4: Simplify right side
    1,295,080.60x = 1,965,243,497,428.86
  5. Step 5: Solve for x
    x = 1,965,243,497,428.86/1,295,080.60
  6. Step 6: Final answer
    x = 1,517,468.10

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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.