Home / 1,336,014.10-2,004,021.15-912,999.70

Finding the Fourth Proportional to 1,336,014.10, 2,004,021.15 and 912,999.70

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Solution

The fourth proportional to 1,336,014.10, 2,004,021.15 and 912,999.70 is: 1,369,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,014.10 : 2,004,021.15 = 912,999.70 : x
  2. Step 2: Convert to fraction form
    1,336,014.10/2,004,021.15 = 912,999.70/x
  3. Step 3: Cross multiply
    1,336,014.10x = 2,004,021.15 × 912,999.70
  4. Step 4: Simplify right side
    1,336,014.10x = 1,829,670,708,743.65
  5. Step 5: Solve for x
    x = 1,829,670,708,743.65/1,336,014.10
  6. Step 6: Final answer
    x = 1,369,499.55

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Similar ratio
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1.5x scale

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.