Home / 1,020,003.44-1,407,638.86-561,170.84

Finding the Fourth Proportional to 1,020,003.44, 1,407,638.86 and 561,170.84

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Solution

The fourth proportional to 1,020,003.44, 1,407,638.86 and 561,170.84 is: 774,434.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,003.44 : 1,407,638.86 = 561,170.84 : x
  2. Step 2: Convert to fraction form
    1,020,003.44/1,407,638.86 = 561,170.84/x
  3. Step 3: Cross multiply
    1,020,003.44x = 1,407,638.86 × 561,170.84
  4. Step 4: Simplify right side
    1,020,003.44x = 789,925,873,041.72
  5. Step 5: Solve for x
    x = 789,925,873,041.72/1,020,003.44
  6. Step 6: Final answer
    x = 774,434.52

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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.