Home / 1,009,902.98-1,393,664.04-551,017.28

Finding the Fourth Proportional to 1,009,902.98, 1,393,664.04 and 551,017.28

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Solution

The fourth proportional to 1,009,902.98, 1,393,664.04 and 551,017.28 is: 760,402.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,902.98 : 1,393,664.04 = 551,017.28 : x
  2. Step 2: Convert to fraction form
    1,009,902.98/1,393,664.04 = 551,017.28/x
  3. Step 3: Cross multiply
    1,009,902.98x = 1,393,664.04 × 551,017.28
  4. Step 4: Simplify right side
    1,009,902.98x = 767,932,968,554.61
  5. Step 5: Solve for x
    x = 767,932,968,554.61/1,009,902.98
  6. Step 6: Final answer
    x = 760,402.72

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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.