Home / 1,184,795.71-1,635,009.71-640,923.44

Finding the Fourth Proportional to 1,184,795.71, 1,635,009.71 and 640,923.44

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Solution

The fourth proportional to 1,184,795.71, 1,635,009.71 and 640,923.44 is: 884,469.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,795.71 : 1,635,009.71 = 640,923.44 : x
  2. Step 2: Convert to fraction form
    1,184,795.71/1,635,009.71 = 640,923.44/x
  3. Step 3: Cross multiply
    1,184,795.71x = 1,635,009.71 × 640,923.44
  4. Step 4: Simplify right side
    1,184,795.71x = 1,047,916,036,386.94
  5. Step 5: Solve for x
    x = 1,047,916,036,386.94/1,184,795.71
  6. Step 6: Final answer
    x = 884,469.81

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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.