Home / 1,296,574.53-1,789,144.96-715,759.95

Finding the Fourth Proportional to 1,296,574.53, 1,789,144.96 and 715,759.95

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Solution

The fourth proportional to 1,296,574.53, 1,789,144.96 and 715,759.95 is: 987,678.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,574.53 : 1,789,144.96 = 715,759.95 : x
  2. Step 2: Convert to fraction form
    1,296,574.53/1,789,144.96 = 715,759.95/x
  3. Step 3: Cross multiply
    1,296,574.53x = 1,789,144.96 × 715,759.95
  4. Step 4: Simplify right side
    1,296,574.53x = 1,280,598,303,310.36
  5. Step 5: Solve for x
    x = 1,280,598,303,310.36/1,296,574.53
  6. Step 6: Final answer
    x = 987,678.13

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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.