Home / 1,021,520.64-1,409,796.48-568,811.52

Finding the Fourth Proportional to 1,021,520.64, 1,409,796.48 and 568,811.52

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Solution

The fourth proportional to 1,021,520.64, 1,409,796.48 and 568,811.52 is: 785,014.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,520.64 : 1,409,796.48 = 568,811.52 : x
  2. Step 2: Convert to fraction form
    1,021,520.64/1,409,796.48 = 568,811.52/x
  3. Step 3: Cross multiply
    1,021,520.64x = 1,409,796.48 × 568,811.52
  4. Step 4: Simplify right side
    1,021,520.64x = 801,908,478,679.45
  5. Step 5: Solve for x
    x = 801,908,478,679.45/1,021,520.64
  6. Step 6: Final answer
    x = 785,014.46

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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.