Home / 1,218,559.74-1,681,083.02-734,856.09

Finding the Fourth Proportional to 1,218,559.74, 1,681,083.02 and 734,856.09

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Solution

The fourth proportional to 1,218,559.74, 1,681,083.02 and 734,856.09 is: 1,013,782.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,559.74 : 1,681,083.02 = 734,856.09 : x
  2. Step 2: Convert to fraction form
    1,218,559.74/1,681,083.02 = 734,856.09/x
  3. Step 3: Cross multiply
    1,218,559.74x = 1,681,083.02 × 734,856.09
  4. Step 4: Simplify right side
    1,218,559.74x = 1,235,354,086,637.18
  5. Step 5: Solve for x
    x = 1,235,354,086,637.18/1,218,559.74
  6. Step 6: Final answer
    x = 1,013,782.13

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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.