Home / 1,340,783.34-1,850,317.53-728,977.29

Finding the Fourth Proportional to 1,340,783.34, 1,850,317.53 and 728,977.29

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Solution

The fourth proportional to 1,340,783.34, 1,850,317.53 and 728,977.29 is: 1,006,008.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,783.34 : 1,850,317.53 = 728,977.29 : x
  2. Step 2: Convert to fraction form
    1,340,783.34/1,850,317.53 = 728,977.29/x
  3. Step 3: Cross multiply
    1,340,783.34x = 1,850,317.53 × 728,977.29
  4. Step 4: Simplify right side
    1,340,783.34x = 1,348,839,458,658.89
  5. Step 5: Solve for x
    x = 1,348,839,458,658.89/1,340,783.34
  6. Step 6: Final answer
    x = 1,006,008.52

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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.