Home / 1,219,188.48-1,682,518.07-675,374.87

Finding the Fourth Proportional to 1,219,188.48, 1,682,518.07 and 675,374.87

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Solution

The fourth proportional to 1,219,188.48, 1,682,518.07 and 675,374.87 is: 932,038.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,188.48 : 1,682,518.07 = 675,374.87 : x
  2. Step 2: Convert to fraction form
    1,219,188.48/1,682,518.07 = 675,374.87/x
  3. Step 3: Cross multiply
    1,219,188.48x = 1,682,518.07 × 675,374.87
  4. Step 4: Simplify right side
    1,219,188.48x = 1,136,330,411,009.44
  5. Step 5: Solve for x
    x = 1,136,330,411,009.44/1,219,188.48
  6. Step 6: Final answer
    x = 932,038.34

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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.