Home / 1,118,551.49-1,678,046.55-444,507.16

Finding the Fourth Proportional to 1,118,551.49, 1,678,046.55 and 444,507.16

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Solution

The fourth proportional to 1,118,551.49, 1,678,046.55 and 444,507.16 is: 666,847.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,551.49 : 1,678,046.55 = 444,507.16 : x
  2. Step 2: Convert to fraction form
    1,118,551.49/1,678,046.55 = 444,507.16/x
  3. Step 3: Cross multiply
    1,118,551.49x = 1,678,046.55 × 444,507.16
  4. Step 4: Simplify right side
    1,118,551.49x = 745,903,706,288.30
  5. Step 5: Solve for x
    x = 745,903,706,288.30/1,118,551.49
  6. Step 6: Final answer
    x = 666,847.89

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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.