Home / 1,285,466.08-1,927,594.78-475,290.73

Finding the Fourth Proportional to 1,285,466.08, 1,927,594.78 and 475,290.73

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Solution

The fourth proportional to 1,285,466.08, 1,927,594.78 and 475,290.73 is: 712,712.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,466.08 : 1,927,594.78 = 475,290.73 : x
  2. Step 2: Convert to fraction form
    1,285,466.08/1,927,594.78 = 475,290.73/x
  3. Step 3: Cross multiply
    1,285,466.08x = 1,927,594.78 × 475,290.73
  4. Step 4: Simplify right side
    1,285,466.08x = 916,167,930,130.39
  5. Step 5: Solve for x
    x = 916,167,930,130.39/1,285,466.08
  6. Step 6: Final answer
    x = 712,712.65

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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.