Home / 1,364,458.78-2,047,378.29-909,360.55

Finding the Fourth Proportional to 1,364,458.78, 2,047,378.29 and 909,360.55

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Solution

The fourth proportional to 1,364,458.78, 2,047,378.29 and 909,360.55 is: 1,364,500.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,458.78 : 2,047,378.29 = 909,360.55 : x
  2. Step 2: Convert to fraction form
    1,364,458.78/2,047,378.29 = 909,360.55/x
  3. Step 3: Cross multiply
    1,364,458.78x = 2,047,378.29 × 909,360.55
  4. Step 4: Simplify right side
    1,364,458.78x = 1,861,805,047,852.46
  5. Step 5: Solve for x
    x = 1,861,805,047,852.46/1,364,458.78
  6. Step 6: Final answer
    x = 1,364,500.76

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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.