Home / 918,051.08-1,266,540.54-554,844.36

Finding the Fourth Proportional to 918,051.08, 1,266,540.54 and 554,844.36

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Solution

The fourth proportional to 918,051.08, 1,266,540.54 and 554,844.36 is: 765,461.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,051.08 : 1,266,540.54 = 554,844.36 : x
  2. Step 2: Convert to fraction form
    918,051.08/1,266,540.54 = 554,844.36/x
  3. Step 3: Cross multiply
    918,051.08x = 1,266,540.54 × 554,844.36
  4. Step 4: Simplify right side
    918,051.08x = 702,732,877,999.22
  5. Step 5: Solve for x
    x = 702,732,877,999.22/918,051.08
  6. Step 6: Final answer
    x = 765,461.64

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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.