Home / 1,009,903.98-1,393,665.42-551,018.28

Finding the Fourth Proportional to 1,009,903.98, 1,393,665.42 and 551,018.28

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Solution

The fourth proportional to 1,009,903.98, 1,393,665.42 and 551,018.28 is: 760,404.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,903.98 : 1,393,665.42 = 551,018.28 : x
  2. Step 2: Convert to fraction form
    1,009,903.98/1,393,665.42 = 551,018.28/x
  3. Step 3: Cross multiply
    1,009,903.98x = 1,393,665.42 × 551,018.28
  4. Step 4: Simplify right side
    1,009,903.98x = 767,935,122,623.88
  5. Step 5: Solve for x
    x = 767,935,122,623.88/1,009,903.98
  6. Step 6: Final answer
    x = 760,404.10

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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.