Home / 1,542,320.76-2,309,457.06-1,241,156.28

Finding the Fourth Proportional to 1,542,320.76, 2,309,457.06 and 1,241,156.28

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Solution

The fourth proportional to 1,542,320.76, 2,309,457.06 and 1,241,156.28 is: 1,858,496.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,320.76 : 2,309,457.06 = 1,241,156.28 : x
  2. Step 2: Convert to fraction form
    1,542,320.76/2,309,457.06 = 1,241,156.28/x
  3. Step 3: Cross multiply
    1,542,320.76x = 2,309,457.06 × 1,241,156.28
  4. Step 4: Simplify right side
    1,542,320.76x = 2,866,397,133,409.34
  5. Step 5: Solve for x
    x = 2,866,397,133,409.34/1,542,320.76
  6. Step 6: Final answer
    x = 1,858,496.11

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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.