Home / 1,020,048.62-1,407,611.45-561,089.12

Finding the Fourth Proportional to 1,020,048.62, 1,407,611.45 and 561,089.12

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Solution

The fourth proportional to 1,020,048.62, 1,407,611.45 and 561,089.12 is: 774,272.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,048.62 : 1,407,611.45 = 561,089.12 : x
  2. Step 2: Convert to fraction form
    1,020,048.62/1,407,611.45 = 561,089.12/x
  3. Step 3: Cross multiply
    1,020,048.62x = 1,407,611.45 × 561,089.12
  4. Step 4: Simplify right side
    1,020,048.62x = 789,795,464,147.09
  5. Step 5: Solve for x
    x = 789,795,464,147.09/1,020,048.62
  6. Step 6: Final answer
    x = 774,272.38

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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.