Home / 1,302,973.46-1,798,211.09-722,378.76

Finding the Fourth Proportional to 1,302,973.46, 1,798,211.09 and 722,378.76

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Solution

The fourth proportional to 1,302,973.46, 1,798,211.09 and 722,378.76 is: 996,942.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,973.46 : 1,798,211.09 = 722,378.76 : x
  2. Step 2: Convert to fraction form
    1,302,973.46/1,798,211.09 = 722,378.76/x
  3. Step 3: Cross multiply
    1,302,973.46x = 1,798,211.09 × 722,378.76
  4. Step 4: Simplify right side
    1,302,973.46x = 1,298,989,493,800.55
  5. Step 5: Solve for x
    x = 1,298,989,493,800.55/1,302,973.46
  6. Step 6: Final answer
    x = 996,942.41

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1.5x scale

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.