Home / 919,479.87-1,269,474.93-592,938.90

Finding the Fourth Proportional to 919,479.87, 1,269,474.93 and 592,938.90

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Solution

The fourth proportional to 919,479.87, 1,269,474.93 and 592,938.90 is: 818,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,479.87 : 1,269,474.93 = 592,938.90 : x
  2. Step 2: Convert to fraction form
    919,479.87/1,269,474.93 = 592,938.90/x
  3. Step 3: Cross multiply
    919,479.87x = 1,269,474.93 × 592,938.90
  4. Step 4: Simplify right side
    919,479.87x = 752,721,068,571.78
  5. Step 5: Solve for x
    x = 752,721,068,571.78/919,479.87
  6. Step 6: Final answer
    x = 818,637.90

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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.