Home / 1,145,131.20-1,716,314.40-583,876.80

Finding the Fourth Proportional to 1,145,131.20, 1,716,314.40 and 583,876.80

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Solution

The fourth proportional to 1,145,131.20, 1,716,314.40 and 583,876.80 is: 875,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,131.20 : 1,716,314.40 = 583,876.80 : x
  2. Step 2: Convert to fraction form
    1,145,131.20/1,716,314.40 = 583,876.80/x
  3. Step 3: Cross multiply
    1,145,131.20x = 1,716,314.40 × 583,876.80
  4. Step 4: Simplify right side
    1,145,131.20x = 1,002,116,159,665.92
  5. Step 5: Solve for x
    x = 1,002,116,159,665.92/1,145,131.20
  6. Step 6: Final answer
    x = 875,110.35

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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.