Home / 1,282,035.54-1,769,262.54-738,157.80

Finding the Fourth Proportional to 1,282,035.54, 1,769,262.54 and 738,157.80

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Solution

The fourth proportional to 1,282,035.54, 1,769,262.54 and 738,157.80 is: 1,018,688.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,035.54 : 1,769,262.54 = 738,157.80 : x
  2. Step 2: Convert to fraction form
    1,282,035.54/1,769,262.54 = 738,157.80/x
  3. Step 3: Cross multiply
    1,282,035.54x = 1,769,262.54 × 738,157.80
  4. Step 4: Simplify right side
    1,282,035.54x = 1,305,994,944,148.81
  5. Step 5: Solve for x
    x = 1,305,994,944,148.81/1,282,035.54
  6. Step 6: Final answer
    x = 1,018,688.56

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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.