Home / 1,078,400.80-1,616,823.60-704,634.40

Finding the Fourth Proportional to 1,078,400.80, 1,616,823.60 and 704,634.40

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Solution

The fourth proportional to 1,078,400.80, 1,616,823.60 and 704,634.40 is: 1,056,443.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,400.80 : 1,616,823.60 = 704,634.40 : x
  2. Step 2: Convert to fraction form
    1,078,400.80/1,616,823.60 = 704,634.40/x
  3. Step 3: Cross multiply
    1,078,400.80x = 1,616,823.60 × 704,634.40
  4. Step 4: Simplify right side
    1,078,400.80x = 1,139,269,527,291.84
  5. Step 5: Solve for x
    x = 1,139,269,527,291.84/1,078,400.80
  6. Step 6: Final answer
    x = 1,056,443.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.