Home / 1,340,108.72-1,849,368.04-728,273.60

Finding the Fourth Proportional to 1,340,108.72, 1,849,368.04 and 728,273.60

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Solution

The fourth proportional to 1,340,108.72, 1,849,368.04 and 728,273.60 is: 1,005,027.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,108.72 : 1,849,368.04 = 728,273.60 : x
  2. Step 2: Convert to fraction form
    1,340,108.72/1,849,368.04 = 728,273.60/x
  3. Step 3: Cross multiply
    1,340,108.72x = 1,849,368.04 × 728,273.60
  4. Step 4: Simplify right side
    1,340,108.72x = 1,346,845,920,215.74
  5. Step 5: Solve for x
    x = 1,346,845,920,215.74/1,340,108.72
  6. Step 6: Final answer
    x = 1,005,027.35

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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.