Home / 1,504,269.53-2,075,879.76-815,939.67

Finding the Fourth Proportional to 1,504,269.53, 2,075,879.76 and 815,939.67

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Solution

The fourth proportional to 1,504,269.53, 2,075,879.76 and 815,939.67 is: 1,125,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504,269.53 : 2,075,879.76 = 815,939.67 : x
  2. Step 2: Convert to fraction form
    1,504,269.53/2,075,879.76 = 815,939.67/x
  3. Step 3: Cross multiply
    1,504,269.53x = 2,075,879.76 × 815,939.67
  4. Step 4: Simplify right side
    1,504,269.53x = 1,693,792,639,014.45
  5. Step 5: Solve for x
    x = 1,693,792,639,014.45/1,504,269.53
  6. Step 6: Final answer
    x = 1,125,990.13

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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.