Home / 1,002,560.64-1,383,405.36-572,868.72

Finding the Fourth Proportional to 1,002,560.64, 1,383,405.36 and 572,868.72

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Solution

The fourth proportional to 1,002,560.64, 1,383,405.36 and 572,868.72 is: 790,485.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,560.64 : 1,383,405.36 = 572,868.72 : x
  2. Step 2: Convert to fraction form
    1,002,560.64/1,383,405.36 = 572,868.72/x
  3. Step 3: Cross multiply
    1,002,560.64x = 1,383,405.36 × 572,868.72
  4. Step 4: Simplify right side
    1,002,560.64x = 792,509,657,824.34
  5. Step 5: Solve for x
    x = 792,509,657,824.34/1,002,560.64
  6. Step 6: Final answer
    x = 790,485.51

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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.