Home / 1,703,533.21-2,350,871.31-978,427.90

Finding the Fourth Proportional to 1,703,533.21, 2,350,871.31 and 978,427.90

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Solution

The fourth proportional to 1,703,533.21, 2,350,871.31 and 978,427.90 is: 1,350,227.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703,533.21 : 2,350,871.31 = 978,427.90 : x
  2. Step 2: Convert to fraction form
    1,703,533.21/2,350,871.31 = 978,427.90/x
  3. Step 3: Cross multiply
    1,703,533.21x = 2,350,871.31 × 978,427.90
  4. Step 4: Simplify right side
    1,703,533.21x = 2,300,158,079,013.55
  5. Step 5: Solve for x
    x = 2,300,158,079,013.55/1,703,533.21
  6. Step 6: Final answer
    x = 1,350,227.91

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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.