Home / 1,764,040.10-2,643,338.55-1,312,643.30

Finding the Fourth Proportional to 1,764,040.10, 2,643,338.55 and 1,312,643.30

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Solution

The fourth proportional to 1,764,040.10, 2,643,338.55 and 1,312,643.30 is: 1,966,939.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,040.10 : 2,643,338.55 = 1,312,643.30 : x
  2. Step 2: Convert to fraction form
    1,764,040.10/2,643,338.55 = 1,312,643.30/x
  3. Step 3: Cross multiply
    1,764,040.10x = 2,643,338.55 × 1,312,643.30
  4. Step 4: Simplify right side
    1,764,040.10x = 3,469,760,637,289.22
  5. Step 5: Solve for x
    x = 3,469,760,637,289.22/1,764,040.10
  6. Step 6: Final answer
    x = 1,966,939.77

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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.