Home / 1,236,886.61-1,855,258.82-734,637.80

Finding the Fourth Proportional to 1,236,886.61, 1,855,258.82 and 734,637.80

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Solution

The fourth proportional to 1,236,886.61, 1,855,258.82 and 734,637.80 is: 1,101,914.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,886.61 : 1,855,258.82 = 734,637.80 : x
  2. Step 2: Convert to fraction form
    1,236,886.61/1,855,258.82 = 734,637.80/x
  3. Step 3: Cross multiply
    1,236,886.61x = 1,855,258.82 × 734,637.80
  4. Step 4: Simplify right side
    1,236,886.61x = 1,362,943,264,430.14
  5. Step 5: Solve for x
    x = 1,362,943,264,430.14/1,236,886.61
  6. Step 6: Final answer
    x = 1,101,914.48

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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.