Home / 1,038,280.73-1,432,827.69-573,134.90

Finding the Fourth Proportional to 1,038,280.73, 1,432,827.69 and 573,134.90

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Solution

The fourth proportional to 1,038,280.73, 1,432,827.69 and 573,134.90 is: 790,926.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,280.73 : 1,432,827.69 = 573,134.90 : x
  2. Step 2: Convert to fraction form
    1,038,280.73/1,432,827.69 = 573,134.90/x
  3. Step 3: Cross multiply
    1,038,280.73x = 1,432,827.69 × 573,134.90
  4. Step 4: Simplify right side
    1,038,280.73x = 821,203,548,735.87
  5. Step 5: Solve for x
    x = 821,203,548,735.87/1,038,280.73
  6. Step 6: Final answer
    x = 790,926.31

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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.