Home / 1,548,561.90-2,323,165.37-780,491.28

Finding the Fourth Proportional to 1,548,561.90, 2,323,165.37 and 780,491.28

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Solution

The fourth proportional to 1,548,561.90, 2,323,165.37 and 780,491.28 is: 1,170,899.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548,561.90 : 2,323,165.37 = 780,491.28 : x
  2. Step 2: Convert to fraction form
    1,548,561.90/2,323,165.37 = 780,491.28/x
  3. Step 3: Cross multiply
    1,548,561.90x = 2,323,165.37 × 780,491.28
  4. Step 4: Simplify right side
    1,548,561.90x = 1,813,210,309,380.52
  5. Step 5: Solve for x
    x = 1,813,210,309,380.52/1,548,561.90
  6. Step 6: Final answer
    x = 1,170,899.47

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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.