Home / 1,020,511.99-1,531,713.84-515,427.67

Finding the Fourth Proportional to 1,020,511.99, 1,531,713.84 and 515,427.67

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Solution

The fourth proportional to 1,020,511.99, 1,531,713.84 and 515,427.67 is: 773,619.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,511.99 : 1,531,713.84 = 515,427.67 : x
  2. Step 2: Convert to fraction form
    1,020,511.99/1,531,713.84 = 515,427.67/x
  3. Step 3: Cross multiply
    1,020,511.99x = 1,531,713.84 × 515,427.67
  4. Step 4: Simplify right side
    1,020,511.99x = 789,487,695,657.95
  5. Step 5: Solve for x
    x = 789,487,695,657.95/1,020,511.99
  6. Step 6: Final answer
    x = 773,619.23

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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.