Home / 1,078,412.30-1,616,840.85-704,645.90

Finding the Fourth Proportional to 1,078,412.30, 1,616,840.85 and 704,645.90

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Solution

The fourth proportional to 1,078,412.30, 1,616,840.85 and 704,645.90 is: 1,056,460.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,412.30 : 1,616,840.85 = 704,645.90 : x
  2. Step 2: Convert to fraction form
    1,078,412.30/1,616,840.85 = 704,645.90/x
  3. Step 3: Cross multiply
    1,078,412.30x = 1,616,840.85 × 704,645.90
  4. Step 4: Simplify right side
    1,078,412.30x = 1,139,300,275,905.02
  5. Step 5: Solve for x
    x = 1,139,300,275,905.02/1,078,412.30
  6. Step 6: Final answer
    x = 1,056,460.76

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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.