Home / 1,102,038.20-1,653,057.30-978,035.30

Finding the Fourth Proportional to 1,102,038.20, 1,653,057.30 and 978,035.30

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Solution

The fourth proportional to 1,102,038.20, 1,653,057.30 and 978,035.30 is: 1,467,052.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,038.20 : 1,653,057.30 = 978,035.30 : x
  2. Step 2: Convert to fraction form
    1,102,038.20/1,653,057.30 = 978,035.30/x
  3. Step 3: Cross multiply
    1,102,038.20x = 1,653,057.30 × 978,035.30
  4. Step 4: Simplify right side
    1,102,038.20x = 1,616,748,392,322.69
  5. Step 5: Solve for x
    x = 1,616,748,392,322.69/1,102,038.20
  6. Step 6: Final answer
    x = 1,467,052.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.