Home / 1,178,485.62-1,626,188.95-662,157.46

Finding the Fourth Proportional to 1,178,485.62, 1,626,188.95 and 662,157.46

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Solution

The fourth proportional to 1,178,485.62, 1,626,188.95 and 662,157.46 is: 913,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,485.62 : 1,626,188.95 = 662,157.46 : x
  2. Step 2: Convert to fraction form
    1,178,485.62/1,626,188.95 = 662,157.46/x
  3. Step 3: Cross multiply
    1,178,485.62x = 1,626,188.95 × 662,157.46
  4. Step 4: Simplify right side
    1,178,485.62x = 1,076,793,147,472.50
  5. Step 5: Solve for x
    x = 1,076,793,147,472.50/1,178,485.62
  6. Step 6: Final answer
    x = 913,709.20

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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.