Home / 1,433,641.31-2,150,508.54-422,678.51

Finding the Fourth Proportional to 1,433,641.31, 2,150,508.54 and 422,678.51

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Solution

The fourth proportional to 1,433,641.31, 2,150,508.54 and 422,678.51 is: 634,031.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,641.31 : 2,150,508.54 = 422,678.51 : x
  2. Step 2: Convert to fraction form
    1,433,641.31/2,150,508.54 = 422,678.51/x
  3. Step 3: Cross multiply
    1,433,641.31x = 2,150,508.54 × 422,678.51
  4. Step 4: Simplify right side
    1,433,641.31x = 908,973,745,429.48
  5. Step 5: Solve for x
    x = 908,973,745,429.48/1,433,641.31
  6. Step 6: Final answer
    x = 634,031.50

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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.