Home / 902,679.49-1,345,949.04-877,878.91

Finding the Fourth Proportional to 902,679.49, 1,345,949.04 and 877,878.91

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Solution

The fourth proportional to 902,679.49, 1,345,949.04 and 877,878.91 is: 1,308,969.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,679.49 : 1,345,949.04 = 877,878.91 : x
  2. Step 2: Convert to fraction form
    902,679.49/1,345,949.04 = 877,878.91/x
  3. Step 3: Cross multiply
    902,679.49x = 1,345,949.04 × 877,878.91
  4. Step 4: Simplify right side
    902,679.49x = 1,181,580,265,031.61
  5. Step 5: Solve for x
    x = 1,181,580,265,031.61/902,679.49
  6. Step 6: Final answer
    x = 1,308,969.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.