Home / 1,092,140.79-1,638,949.30-382,174.98

Finding the Fourth Proportional to 1,092,140.79, 1,638,949.30 and 382,174.98

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Solution

The fourth proportional to 1,092,140.79, 1,638,949.30 and 382,174.98 is: 573,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,140.79 : 1,638,949.30 = 382,174.98 : x
  2. Step 2: Convert to fraction form
    1,092,140.79/1,638,949.30 = 382,174.98/x
  3. Step 3: Cross multiply
    1,092,140.79x = 1,638,949.30 × 382,174.98
  4. Step 4: Simplify right side
    1,092,140.79x = 626,365,415,948.51
  5. Step 5: Solve for x
    x = 626,365,415,948.51/1,092,140.79
  6. Step 6: Final answer
    x = 573,520.76

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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.