Home / 1,392,838.56-1,921,522.35-962,371.35

Finding the Fourth Proportional to 1,392,838.56, 1,921,522.35 and 962,371.35

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Solution

The fourth proportional to 1,392,838.56, 1,921,522.35 and 962,371.35 is: 1,327,661.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,838.56 : 1,921,522.35 = 962,371.35 : x
  2. Step 2: Convert to fraction form
    1,392,838.56/1,921,522.35 = 962,371.35/x
  3. Step 3: Cross multiply
    1,392,838.56x = 1,921,522.35 × 962,371.35
  4. Step 4: Simplify right side
    1,392,838.56x = 1,849,218,058,024.67
  5. Step 5: Solve for x
    x = 1,849,218,058,024.67/1,392,838.56
  6. Step 6: Final answer
    x = 1,327,661.45

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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.