Home / 1,118,550-1,678,044.30-444,505.66

Finding the Fourth Proportional to 1,118,550, 1,678,044.30 and 444,505.66

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Solution

The fourth proportional to 1,118,550, 1,678,044.30 and 444,505.66 is: 666,845.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,550 : 1,678,044.30 = 444,505.66 : x
  2. Step 2: Convert to fraction form
    1,118,550/1,678,044.30 = 444,505.66/x
  3. Step 3: Cross multiply
    1,118,550x = 1,678,044.30 × 444,505.66
  4. Step 4: Simplify right side
    1,118,550x = 745,900,189,080.74
  5. Step 5: Solve for x
    x = 745,900,189,080.74/1,118,550
  6. Step 6: Final answer
    x = 666,845.64

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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.