Home / 1,224,639.27-1,689,887.81-708,310.44

Finding the Fourth Proportional to 1,224,639.27, 1,689,887.81 and 708,310.44

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Solution

The fourth proportional to 1,224,639.27, 1,689,887.81 and 708,310.44 is: 977,402.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,639.27 : 1,689,887.81 = 708,310.44 : x
  2. Step 2: Convert to fraction form
    1,224,639.27/1,689,887.81 = 708,310.44/x
  3. Step 3: Cross multiply
    1,224,639.27x = 1,689,887.81 × 708,310.44
  4. Step 4: Simplify right side
    1,224,639.27x = 1,196,965,180,022.51
  5. Step 5: Solve for x
    x = 1,196,965,180,022.51/1,224,639.27
  6. Step 6: Final answer
    x = 977,402.25

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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.