Home / 1,092,139.79-1,638,947.80-382,173.98

Finding the Fourth Proportional to 1,092,139.79, 1,638,947.80 and 382,173.98

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Solution

The fourth proportional to 1,092,139.79, 1,638,947.80 and 382,173.98 is: 573,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,139.79 : 1,638,947.80 = 382,173.98 : x
  2. Step 2: Convert to fraction form
    1,092,139.79/1,638,947.80 = 382,173.98/x
  3. Step 3: Cross multiply
    1,092,139.79x = 1,638,947.80 × 382,173.98
  4. Step 4: Simplify right side
    1,092,139.79x = 626,363,193,632.64
  5. Step 5: Solve for x
    x = 626,363,193,632.64/1,092,139.79
  6. Step 6: Final answer
    x = 573,519.25

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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.