Home / 1,340,465.17-2,012,130.24-542,268.49

Finding the Fourth Proportional to 1,340,465.17, 2,012,130.24 and 542,268.49

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Solution

The fourth proportional to 1,340,465.17, 2,012,130.24 and 542,268.49 is: 813,982.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,465.17 : 2,012,130.24 = 542,268.49 : x
  2. Step 2: Convert to fraction form
    1,340,465.17/2,012,130.24 = 542,268.49/x
  3. Step 3: Cross multiply
    1,340,465.17x = 2,012,130.24 × 542,268.49
  4. Step 4: Simplify right side
    1,340,465.17x = 1,091,114,826,928.14
  5. Step 5: Solve for x
    x = 1,091,114,826,928.14/1,340,465.17
  6. Step 6: Final answer
    x = 813,982.23

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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.