Home / 1,145,539.98-1,580,817.60-636,242.76

Finding the Fourth Proportional to 1,145,539.98, 1,580,817.60 and 636,242.76

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Solution

The fourth proportional to 1,145,539.98, 1,580,817.60 and 636,242.76 is: 877,999.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,539.98 : 1,580,817.60 = 636,242.76 : x
  2. Step 2: Convert to fraction form
    1,145,539.98/1,580,817.60 = 636,242.76/x
  3. Step 3: Cross multiply
    1,145,539.98x = 1,580,817.60 × 636,242.76
  4. Step 4: Simplify right side
    1,145,539.98x = 1,005,783,752,880.58
  5. Step 5: Solve for x
    x = 1,005,783,752,880.58/1,145,539.98
  6. Step 6: Final answer
    x = 877,999.69

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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.