Home / 1,490,051.20-2,233,813.20-542,869.60

Finding the Fourth Proportional to 1,490,051.20, 2,233,813.20 and 542,869.60

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Solution

The fourth proportional to 1,490,051.20, 2,233,813.20 and 542,869.60 is: 813,844.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,051.20 : 2,233,813.20 = 542,869.60 : x
  2. Step 2: Convert to fraction form
    1,490,051.20/2,233,813.20 = 542,869.60/x
  3. Step 3: Cross multiply
    1,490,051.20x = 2,233,813.20 × 542,869.60
  4. Step 4: Simplify right side
    1,490,051.20x = 1,212,669,278,358.72
  5. Step 5: Solve for x
    x = 1,212,669,278,358.72/1,490,051.20
  6. Step 6: Final answer
    x = 813,844.03

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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.