Home / 1,371,972.64-2,058,036.64-425,477.92

Finding the Fourth Proportional to 1,371,972.64, 2,058,036.64 and 425,477.92

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Solution

The fourth proportional to 1,371,972.64, 2,058,036.64 and 425,477.92 is: 638,240.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,972.64 : 2,058,036.64 = 425,477.92 : x
  2. Step 2: Convert to fraction form
    1,371,972.64/2,058,036.64 = 425,477.92/x
  3. Step 3: Cross multiply
    1,371,972.64x = 2,058,036.64 × 425,477.92
  4. Step 4: Simplify right side
    1,371,972.64x = 875,649,148,870.99
  5. Step 5: Solve for x
    x = 875,649,148,870.99/1,371,972.64
  6. Step 6: Final answer
    x = 638,240.97

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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.