Home / 1,178,047.95-1,625,662.67-719,928.96

Finding the Fourth Proportional to 1,178,047.95, 1,625,662.67 and 719,928.96

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Solution

The fourth proportional to 1,178,047.95, 1,625,662.67 and 719,928.96 is: 993,475.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,047.95 : 1,625,662.67 = 719,928.96 : x
  2. Step 2: Convert to fraction form
    1,178,047.95/1,625,662.67 = 719,928.96/x
  3. Step 3: Cross multiply
    1,178,047.95x = 1,625,662.67 × 719,928.96
  4. Step 4: Simplify right side
    1,178,047.95x = 1,170,361,635,323.92
  5. Step 5: Solve for x
    x = 1,170,361,635,323.92/1,178,047.95
  6. Step 6: Final answer
    x = 993,475.38

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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.