Home / 1,184,484.38-1,634,588.54-640,620.02

Finding the Fourth Proportional to 1,184,484.38, 1,634,588.54 and 640,620.02

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Solution

The fourth proportional to 1,184,484.38, 1,634,588.54 and 640,620.02 is: 884,055.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,484.38 : 1,634,588.54 = 640,620.02 : x
  2. Step 2: Convert to fraction form
    1,184,484.38/1,634,588.54 = 640,620.02/x
  3. Step 3: Cross multiply
    1,184,484.38x = 1,634,588.54 × 640,620.02
  4. Step 4: Simplify right side
    1,184,484.38x = 1,047,150,139,983.47
  5. Step 5: Solve for x
    x = 1,047,150,139,983.47/1,184,484.38
  6. Step 6: Final answer
    x = 884,055.68

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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.