Home / 1,226,689.64-1,692,881.45-682,790.94

Finding the Fourth Proportional to 1,226,689.64, 1,692,881.45 and 682,790.94

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Solution

The fourth proportional to 1,226,689.64, 1,692,881.45 and 682,790.94 is: 942,279.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,689.64 : 1,692,881.45 = 682,790.94 : x
  2. Step 2: Convert to fraction form
    1,226,689.64/1,692,881.45 = 682,790.94/x
  3. Step 3: Cross multiply
    1,226,689.64x = 1,692,881.45 × 682,790.94
  4. Step 4: Simplify right side
    1,226,689.64x = 1,155,884,113,140.11
  5. Step 5: Solve for x
    x = 1,155,884,113,140.11/1,226,689.64
  6. Step 6: Final answer
    x = 942,279.19

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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.