Home / 1,029,476.52-1,544,215.86-430,111.08

Finding the Fourth Proportional to 1,029,476.52, 1,544,215.86 and 430,111.08

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Solution

The fourth proportional to 1,029,476.52, 1,544,215.86 and 430,111.08 is: 645,167.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,476.52 : 1,544,215.86 = 430,111.08 : x
  2. Step 2: Convert to fraction form
    1,029,476.52/1,544,215.86 = 430,111.08/x
  3. Step 3: Cross multiply
    1,029,476.52x = 1,544,215.86 × 430,111.08
  4. Step 4: Simplify right side
    1,029,476.52x = 664,184,351,297.73
  5. Step 5: Solve for x
    x = 664,184,351,297.73/1,029,476.52
  6. Step 6: Final answer
    x = 645,167.07

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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.