Home / 1,293,120.16-1,784,561.19-720,160.34

Finding the Fourth Proportional to 1,293,120.16, 1,784,561.19 and 720,160.34

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Solution

The fourth proportional to 1,293,120.16, 1,784,561.19 and 720,160.34 is: 993,852.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,120.16 : 1,784,561.19 = 720,160.34 : x
  2. Step 2: Convert to fraction form
    1,293,120.16/1,784,561.19 = 720,160.34/x
  3. Step 3: Cross multiply
    1,293,120.16x = 1,784,561.19 × 720,160.34
  4. Step 4: Simplify right side
    1,293,120.16x = 1,285,170,184,418.40
  5. Step 5: Solve for x
    x = 1,285,170,184,418.40/1,293,120.16
  6. Step 6: Final answer
    x = 993,852.10

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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.