Home / 1,020,231.68-1,407,899.52-561,327.36

Finding the Fourth Proportional to 1,020,231.68, 1,407,899.52 and 561,327.36

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Solution

The fourth proportional to 1,020,231.68, 1,407,899.52 and 561,327.36 is: 774,620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,231.68 : 1,407,899.52 = 561,327.36 : x
  2. Step 2: Convert to fraction form
    1,020,231.68/1,407,899.52 = 561,327.36/x
  3. Step 3: Cross multiply
    1,020,231.68x = 1,407,899.52 × 561,327.36
  4. Step 4: Simplify right side
    1,020,231.68x = 790,292,520,706.87
  5. Step 5: Solve for x
    x = 790,292,520,706.87/1,020,231.68
  6. Step 6: Final answer
    x = 774,620.64

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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.