Home / 1,285,431.98-1,928,400.18-475,823.47

Finding the Fourth Proportional to 1,285,431.98, 1,928,400.18 and 475,823.47

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Solution

The fourth proportional to 1,285,431.98, 1,928,400.18 and 475,823.47 is: 713,828.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,431.98 : 1,928,400.18 = 475,823.47 : x
  2. Step 2: Convert to fraction form
    1,285,431.98/1,928,400.18 = 475,823.47/x
  3. Step 3: Cross multiply
    1,285,431.98x = 1,928,400.18 × 475,823.47
  4. Step 4: Simplify right side
    1,285,431.98x = 917,578,065,196.23
  5. Step 5: Solve for x
    x = 917,578,065,196.23/1,285,431.98
  6. Step 6: Final answer
    x = 713,828.56

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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.