Home / 942,118.60-1,413,782.70-521,696.20

Finding the Fourth Proportional to 942,118.60, 1,413,782.70 and 521,696.20

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Solution

The fourth proportional to 942,118.60, 1,413,782.70 and 521,696.20 is: 782,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,118.60 : 1,413,782.70 = 521,696.20 : x
  2. Step 2: Convert to fraction form
    942,118.60/1,413,782.70 = 521,696.20/x
  3. Step 3: Cross multiply
    942,118.60x = 1,413,782.70 × 521,696.20
  4. Step 4: Simplify right side
    942,118.60x = 737,565,062,215.74
  5. Step 5: Solve for x
    x = 737,565,062,215.74/942,118.60
  6. Step 6: Final answer
    x = 782,879.21

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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.