Home / 1,289,631.66-1,777,816.00-901,241.23

Finding the Fourth Proportional to 1,289,631.66, 1,777,816.00 and 901,241.23

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Solution

The fourth proportional to 1,289,631.66, 1,777,816.00 and 901,241.23 is: 1,242,402.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,631.66 : 1,777,816.00 = 901,241.23 : x
  2. Step 2: Convert to fraction form
    1,289,631.66/1,777,816.00 = 901,241.23/x
  3. Step 3: Cross multiply
    1,289,631.66x = 1,777,816.00 × 901,241.23
  4. Step 4: Simplify right side
    1,289,631.66x = 1,602,241,076,300.58
  5. Step 5: Solve for x
    x = 1,602,241,076,300.58/1,289,631.66
  6. Step 6: Final answer
    x = 1,242,402.10

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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.