Home / 1,364,457.78-2,047,376.79-909,359.55

Finding the Fourth Proportional to 1,364,457.78, 2,047,376.79 and 909,359.55

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Solution

The fourth proportional to 1,364,457.78, 2,047,376.79 and 909,359.55 is: 1,364,499.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,457.78 : 2,047,376.79 = 909,359.55 : x
  2. Step 2: Convert to fraction form
    1,364,457.78/2,047,376.79 = 909,359.55/x
  3. Step 3: Cross multiply
    1,364,457.78x = 2,047,376.79 × 909,359.55
  4. Step 4: Simplify right side
    1,364,457.78x = 1,861,801,636,434.84
  5. Step 5: Solve for x
    x = 1,861,801,636,434.84/1,364,457.78
  6. Step 6: Final answer
    x = 1,364,499.26

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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.