Home / 1,226,618.30-1,692,733.07-682,742.32

Finding the Fourth Proportional to 1,226,618.30, 1,692,733.07 and 682,742.32

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Solution

The fourth proportional to 1,226,618.30, 1,692,733.07 and 682,742.32 is: 942,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,618.30 : 1,692,733.07 = 682,742.32 : x
  2. Step 2: Convert to fraction form
    1,226,618.30/1,692,733.07 = 682,742.32/x
  3. Step 3: Cross multiply
    1,226,618.30x = 1,692,733.07 × 682,742.32
  4. Step 4: Simplify right side
    1,226,618.30x = 1,155,700,500,827.55
  5. Step 5: Solve for x
    x = 1,155,700,500,827.55/1,226,618.30
  6. Step 6: Final answer
    x = 942,184.30

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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.