Home / 1,301,990.24-1,796,357.83-842,376.80

Finding the Fourth Proportional to 1,301,990.24, 1,796,357.83 and 842,376.80

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Solution

The fourth proportional to 1,301,990.24, 1,796,357.83 and 842,376.80 is: 1,162,228.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,990.24 : 1,796,357.83 = 842,376.80 : x
  2. Step 2: Convert to fraction form
    1,301,990.24/1,796,357.83 = 842,376.80/x
  3. Step 3: Cross multiply
    1,301,990.24x = 1,796,357.83 × 842,376.80
  4. Step 4: Simplify right side
    1,301,990.24x = 1,513,210,162,875.30
  5. Step 5: Solve for x
    x = 1,513,210,162,875.30/1,301,990.24
  6. Step 6: Final answer
    x = 1,162,228.50

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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.