Home / 1,012,539.84-1,518,059.88-613,086.72

Finding the Fourth Proportional to 1,012,539.84, 1,518,059.88 and 613,086.72

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Solution

The fourth proportional to 1,012,539.84, 1,518,059.88 and 613,086.72 is: 919,176.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,539.84 : 1,518,059.88 = 613,086.72 : x
  2. Step 2: Convert to fraction form
    1,012,539.84/1,518,059.88 = 613,086.72/x
  3. Step 3: Cross multiply
    1,012,539.84x = 1,518,059.88 × 613,086.72
  4. Step 4: Simplify right side
    1,012,539.84x = 930,702,352,592.79
  5. Step 5: Solve for x
    x = 930,702,352,592.79/1,012,539.84
  6. Step 6: Final answer
    x = 919,176.03

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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.