Home / 1,236,612.80-1,854,919.20-1,024,036.40

Finding the Fourth Proportional to 1,236,612.80, 1,854,919.20 and 1,024,036.40

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Solution

The fourth proportional to 1,236,612.80, 1,854,919.20 and 1,024,036.40 is: 1,536,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,612.80 : 1,854,919.20 = 1,024,036.40 : x
  2. Step 2: Convert to fraction form
    1,236,612.80/1,854,919.20 = 1,024,036.40/x
  3. Step 3: Cross multiply
    1,236,612.80x = 1,854,919.20 × 1,024,036.40
  4. Step 4: Simplify right side
    1,236,612.80x = 1,899,504,779,858.88
  5. Step 5: Solve for x
    x = 1,899,504,779,858.88/1,236,612.80
  6. Step 6: Final answer
    x = 1,536,054.60

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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.