Home / 1,178,975.07-1,768,807.06-380,238.93

Finding the Fourth Proportional to 1,178,975.07, 1,768,807.06 and 380,238.93

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Solution

The fourth proportional to 1,178,975.07, 1,768,807.06 and 380,238.93 is: 570,469.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,975.07 : 1,768,807.06 = 380,238.93 : x
  2. Step 2: Convert to fraction form
    1,178,975.07/1,768,807.06 = 380,238.93/x
  3. Step 3: Cross multiply
    1,178,975.07x = 1,768,807.06 × 380,238.93
  4. Step 4: Simplify right side
    1,178,975.07x = 672,569,302,920.25
  5. Step 5: Solve for x
    x = 672,569,302,920.25/1,178,975.07
  6. Step 6: Final answer
    x = 570,469.49

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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.