Home / 1,371,971.64-2,058,035.14-425,476.92

Finding the Fourth Proportional to 1,371,971.64, 2,058,035.14 and 425,476.92

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Solution

The fourth proportional to 1,371,971.64, 2,058,035.14 and 425,476.92 is: 638,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,971.64 : 2,058,035.14 = 425,476.92 : x
  2. Step 2: Convert to fraction form
    1,371,971.64/2,058,035.14 = 425,476.92/x
  3. Step 3: Cross multiply
    1,371,971.64x = 2,058,035.14 × 425,476.92
  4. Step 4: Simplify right side
    1,371,971.64x = 875,646,452,618.97
  5. Step 5: Solve for x
    x = 875,646,452,618.97/1,371,971.64
  6. Step 6: Final answer
    x = 638,239.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.