Home / 1,086,756.49-1,628,014.15-711,642.25

Finding the Fourth Proportional to 1,086,756.49, 1,628,014.15 and 711,642.25

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Solution

The fourth proportional to 1,086,756.49, 1,628,014.15 and 711,642.25 is: 1,066,074.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,756.49 : 1,628,014.15 = 711,642.25 : x
  2. Step 2: Convert to fraction form
    1,086,756.49/1,628,014.15 = 711,642.25/x
  3. Step 3: Cross multiply
    1,086,756.49x = 1,628,014.15 × 711,642.25
  4. Step 4: Simplify right side
    1,086,756.49x = 1,158,563,652,737.84
  5. Step 5: Solve for x
    x = 1,158,563,652,737.84/1,086,756.49
  6. Step 6: Final answer
    x = 1,066,074.75

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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.