Home / 1,258,690.29-1,736,536.96-823,356.12

Finding the Fourth Proportional to 1,258,690.29, 1,736,536.96 and 823,356.12

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Solution

The fourth proportional to 1,258,690.29, 1,736,536.96 and 823,356.12 is: 1,135,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,690.29 : 1,736,536.96 = 823,356.12 : x
  2. Step 2: Convert to fraction form
    1,258,690.29/1,736,536.96 = 823,356.12/x
  3. Step 3: Cross multiply
    1,258,690.29x = 1,736,536.96 × 823,356.12
  4. Step 4: Simplify right side
    1,258,690.29x = 1,429,788,341,163.40
  5. Step 5: Solve for x
    x = 1,429,788,341,163.40/1,258,690.29
  6. Step 6: Final answer
    x = 1,135,933.40

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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.