Home / 1,678,477.96-2,316,270.42-914,537.80

Finding the Fourth Proportional to 1,678,477.96, 2,316,270.42 and 914,537.80

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Solution

The fourth proportional to 1,678,477.96, 2,316,270.42 and 914,537.80 is: 1,262,046.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,477.96 : 2,316,270.42 = 914,537.80 : x
  2. Step 2: Convert to fraction form
    1,678,477.96/2,316,270.42 = 914,537.80/x
  3. Step 3: Cross multiply
    1,678,477.96x = 2,316,270.42 × 914,537.80
  4. Step 4: Simplify right side
    1,678,477.96x = 2,118,316,854,111.88
  5. Step 5: Solve for x
    x = 2,118,316,854,111.88/1,678,477.96
  6. Step 6: Final answer
    x = 1,262,046.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.