Home / 1,026,675.60-1,539,181.80-428,085.60

Finding the Fourth Proportional to 1,026,675.60, 1,539,181.80 and 428,085.60

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Solution

The fourth proportional to 1,026,675.60, 1,539,181.80 and 428,085.60 is: 641,781.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,675.60 : 1,539,181.80 = 428,085.60 : x
  2. Step 2: Convert to fraction form
    1,026,675.60/1,539,181.80 = 428,085.60/x
  3. Step 3: Cross multiply
    1,026,675.60x = 1,539,181.80 × 428,085.60
  4. Step 4: Simplify right side
    1,026,675.60x = 658,901,564,362.08
  5. Step 5: Solve for x
    x = 658,901,564,362.08/1,026,675.60
  6. Step 6: Final answer
    x = 641,781.65

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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.