Home / 1,623,410.92-2,241,208.02-978,994.36

Finding the Fourth Proportional to 1,623,410.92, 2,241,208.02 and 978,994.36

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Solution

The fourth proportional to 1,623,410.92, 2,241,208.02 and 978,994.36 is: 1,351,555.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,410.92 : 2,241,208.02 = 978,994.36 : x
  2. Step 2: Convert to fraction form
    1,623,410.92/2,241,208.02 = 978,994.36/x
  3. Step 3: Cross multiply
    1,623,410.92x = 2,241,208.02 × 978,994.36
  4. Step 4: Simplify right side
    1,623,410.92x = 2,194,130,011,166.77
  5. Step 5: Solve for x
    x = 2,194,130,011,166.77/1,623,410.92
  6. Step 6: Final answer
    x = 1,351,555.53

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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.