Home / 1,218,637.56-1,681,737.60-702,106.44

Finding the Fourth Proportional to 1,218,637.56, 1,681,737.60 and 702,106.44

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Solution

The fourth proportional to 1,218,637.56, 1,681,737.60 and 702,106.44 is: 968,917.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,637.56 : 1,681,737.60 = 702,106.44 : x
  2. Step 2: Convert to fraction form
    1,218,637.56/1,681,737.60 = 702,106.44/x
  3. Step 3: Cross multiply
    1,218,637.56x = 1,681,737.60 × 702,106.44
  4. Step 4: Simplify right side
    1,218,637.56x = 1,180,758,799,350.14
  5. Step 5: Solve for x
    x = 1,180,758,799,350.14/1,218,637.56
  6. Step 6: Final answer
    x = 968,917.12

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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.