Home / 1,020,046.37-1,407,608.35-561,086.87

Finding the Fourth Proportional to 1,020,046.37, 1,407,608.35 and 561,086.87

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Solution

The fourth proportional to 1,020,046.37, 1,407,608.35 and 561,086.87 is: 774,269.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,046.37 : 1,407,608.35 = 561,086.87 : x
  2. Step 2: Convert to fraction form
    1,020,046.37/1,407,608.35 = 561,086.87/x
  3. Step 3: Cross multiply
    1,020,046.37x = 1,407,608.35 × 561,086.87
  4. Step 4: Simplify right side
    1,020,046.37x = 789,790,554,846.61
  5. Step 5: Solve for x
    x = 789,790,554,846.61/1,020,046.37
  6. Step 6: Final answer
    x = 774,269.27

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1.5x scale

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.