Home / 1,702,126.32-2,348,950.68-938,209.20

Finding the Fourth Proportional to 1,702,126.32, 2,348,950.68 and 938,209.20

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Solution

The fourth proportional to 1,702,126.32, 2,348,950.68 and 938,209.20 is: 1,294,737.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,126.32 : 2,348,950.68 = 938,209.20 : x
  2. Step 2: Convert to fraction form
    1,702,126.32/2,348,950.68 = 938,209.20/x
  3. Step 3: Cross multiply
    1,702,126.32x = 2,348,950.68 × 938,209.20
  4. Step 4: Simplify right side
    1,702,126.32x = 2,203,807,138,322.26
  5. Step 5: Solve for x
    x = 2,203,807,138,322.26/1,702,126.32
  6. Step 6: Final answer
    x = 1,294,737.71

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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.