Home / 1,785,859.32-2,678,796.28-438,030.68

Finding the Fourth Proportional to 1,785,859.32, 2,678,796.28 and 438,030.68

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Solution

The fourth proportional to 1,785,859.32, 2,678,796.28 and 438,030.68 is: 657,047.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,859.32 : 2,678,796.28 = 438,030.68 : x
  2. Step 2: Convert to fraction form
    1,785,859.32/2,678,796.28 = 438,030.68/x
  3. Step 3: Cross multiply
    1,785,859.32x = 2,678,796.28 × 438,030.68
  4. Step 4: Simplify right side
    1,785,859.32x = 1,173,394,956,109.87
  5. Step 5: Solve for x
    x = 1,173,394,956,109.87/1,785,859.32
  6. Step 6: Final answer
    x = 657,047.81

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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.