Home / 1,260,444.15-1,890,752.37-361,816.78

Finding the Fourth Proportional to 1,260,444.15, 1,890,752.37 and 361,816.78

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Solution

The fourth proportional to 1,260,444.15, 1,890,752.37 and 361,816.78 is: 542,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,444.15 : 1,890,752.37 = 361,816.78 : x
  2. Step 2: Convert to fraction form
    1,260,444.15/1,890,752.37 = 361,816.78/x
  3. Step 3: Cross multiply
    1,260,444.15x = 1,890,752.37 × 361,816.78
  4. Step 4: Simplify right side
    1,260,444.15x = 684,105,934,290.77
  5. Step 5: Solve for x
    x = 684,105,934,290.77/1,260,444.15
  6. Step 6: Final answer
    x = 542,749.90

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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.