Home / 1,780,938.92-2,457,697.81-965,142.59

Finding the Fourth Proportional to 1,780,938.92, 2,457,697.81 and 965,142.59

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Solution

The fourth proportional to 1,780,938.92, 2,457,697.81 and 965,142.59 is: 1,331,897.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,938.92 : 2,457,697.81 = 965,142.59 : x
  2. Step 2: Convert to fraction form
    1,780,938.92/2,457,697.81 = 965,142.59/x
  3. Step 3: Cross multiply
    1,780,938.92x = 2,457,697.81 × 965,142.59
  4. Step 4: Simplify right side
    1,780,938.92x = 2,372,028,831,099.26
  5. Step 5: Solve for x
    x = 2,372,028,831,099.26/1,780,938.92
  6. Step 6: Final answer
    x = 1,331,897.92

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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.