Home / 989,209.70-1,364,675.82-581,127.38

Finding the Fourth Proportional to 989,209.70, 1,364,675.82 and 581,127.38

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Solution

The fourth proportional to 989,209.70, 1,364,675.82 and 581,127.38 is: 801,701.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,209.70 : 1,364,675.82 = 581,127.38 : x
  2. Step 2: Convert to fraction form
    989,209.70/1,364,675.82 = 581,127.38/x
  3. Step 3: Cross multiply
    989,209.70x = 1,364,675.82 × 581,127.38
  4. Step 4: Simplify right side
    989,209.70x = 793,050,483,825.95
  5. Step 5: Solve for x
    x = 793,050,483,825.95/989,209.70
  6. Step 6: Final answer
    x = 801,701.08

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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.