Home / 1,355,941.71-1,871,222.53-744,151.39

Finding the Fourth Proportional to 1,355,941.71, 1,871,222.53 and 744,151.39

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Solution

The fourth proportional to 1,355,941.71, 1,871,222.53 and 744,151.39 is: 1,026,941.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,941.71 : 1,871,222.53 = 744,151.39 : x
  2. Step 2: Convert to fraction form
    1,355,941.71/1,871,222.53 = 744,151.39/x
  3. Step 3: Cross multiply
    1,355,941.71x = 1,871,222.53 × 744,151.39
  4. Step 4: Simplify right side
    1,355,941.71x = 1,392,472,846,310.46
  5. Step 5: Solve for x
    x = 1,392,472,846,310.46/1,355,941.71
  6. Step 6: Final answer
    x = 1,026,941.53

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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.