Home / 1,002,830.90-1,384,442.69-784,575.59

Finding the Fourth Proportional to 1,002,830.90, 1,384,442.69 and 784,575.59

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Solution

The fourth proportional to 1,002,830.90, 1,384,442.69 and 784,575.59 is: 1,083,133.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,830.90 : 1,384,442.69 = 784,575.59 : x
  2. Step 2: Convert to fraction form
    1,002,830.90/1,384,442.69 = 784,575.59/x
  3. Step 3: Cross multiply
    1,002,830.90x = 1,384,442.69 × 784,575.59
  4. Step 4: Simplify right side
    1,002,830.90x = 1,086,199,929,482.85
  5. Step 5: Solve for x
    x = 1,086,199,929,482.85/1,002,830.90
  6. Step 6: Final answer
    x = 1,083,133.69

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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.