Home / 1,702,391.88-2,349,275.10-938,428.92

Finding the Fourth Proportional to 1,702,391.88, 2,349,275.10 and 938,428.92

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Solution

The fourth proportional to 1,702,391.88, 2,349,275.10 and 938,428.92 is: 1,295,017.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,391.88 : 2,349,275.10 = 938,428.92 : x
  2. Step 2: Convert to fraction form
    1,702,391.88/2,349,275.10 = 938,428.92/x
  3. Step 3: Cross multiply
    1,702,391.88x = 2,349,275.10 × 938,428.92
  4. Step 4: Simplify right side
    1,702,391.88x = 2,204,627,694,875.89
  5. Step 5: Solve for x
    x = 2,204,627,694,875.89/1,702,391.88
  6. Step 6: Final answer
    x = 1,295,017.75

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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.