Home / 1,340,774.10-2,009,411.55-541,401.30

Finding the Fourth Proportional to 1,340,774.10, 2,009,411.55 and 541,401.30

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Solution

The fourth proportional to 1,340,774.10, 2,009,411.55 and 541,401.30 is: 811,395.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,774.10 : 2,009,411.55 = 541,401.30 : x
  2. Step 2: Convert to fraction form
    1,340,774.10/2,009,411.55 = 541,401.30/x
  3. Step 3: Cross multiply
    1,340,774.10x = 2,009,411.55 × 541,401.30
  4. Step 4: Simplify right side
    1,340,774.10x = 1,087,898,025,405.02
  5. Step 5: Solve for x
    x = 1,087,898,025,405.02/1,340,774.10
  6. Step 6: Final answer
    x = 811,395.47

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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.