Home / 1,689,173.30-2,331,291.06-1,035,683.72

Finding the Fourth Proportional to 1,689,173.30, 2,331,291.06 and 1,035,683.72

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Solution

The fourth proportional to 1,689,173.30, 2,331,291.06 and 1,035,683.72 is: 1,429,385.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,173.30 : 2,331,291.06 = 1,035,683.72 : x
  2. Step 2: Convert to fraction form
    1,689,173.30/2,331,291.06 = 1,035,683.72/x
  3. Step 3: Cross multiply
    1,689,173.30x = 2,331,291.06 × 1,035,683.72
  4. Step 4: Simplify right side
    1,689,173.30x = 2,414,480,185,767.09
  5. Step 5: Solve for x
    x = 2,414,480,185,767.09/1,689,173.30
  6. Step 6: Final answer
    x = 1,429,385.72

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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.