Home / 1,009,901.48-1,393,661.97-551,015.78

Finding the Fourth Proportional to 1,009,901.48, 1,393,661.97 and 551,015.78

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Solution

The fourth proportional to 1,009,901.48, 1,393,661.97 and 551,015.78 is: 760,400.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,901.48 : 1,393,661.97 = 551,015.78 : x
  2. Step 2: Convert to fraction form
    1,009,901.48/1,393,661.97 = 551,015.78/x
  3. Step 3: Cross multiply
    1,009,901.48x = 1,393,661.97 × 551,015.78
  4. Step 4: Simplify right side
    1,009,901.48x = 767,929,730,487.58
  5. Step 5: Solve for x
    x = 767,929,730,487.58/1,009,901.48
  6. Step 6: Final answer
    x = 760,400.64

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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.