Home / 1,000,814.56-1,380,781.12-570,785.44

Finding the Fourth Proportional to 1,000,814.56, 1,380,781.12 and 570,785.44

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Solution

The fourth proportional to 1,000,814.56, 1,380,781.12 and 570,785.44 is: 787,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,814.56 : 1,380,781.12 = 570,785.44 : x
  2. Step 2: Convert to fraction form
    1,000,814.56/1,380,781.12 = 570,785.44/x
  3. Step 3: Cross multiply
    1,000,814.56x = 1,380,781.12 × 570,785.44
  4. Step 4: Simplify right side
    1,000,814.56x = 788,129,759,122.89
  5. Step 5: Solve for x
    x = 788,129,759,122.89/1,000,814.56
  6. Step 6: Final answer
    x = 787,488.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.