Home / 1,301,830.06-1,796,599.55-728,865.22

Finding the Fourth Proportional to 1,301,830.06, 1,796,599.55 and 728,865.22

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Solution

The fourth proportional to 1,301,830.06, 1,796,599.55 and 728,865.22 is: 1,005,875.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,830.06 : 1,796,599.55 = 728,865.22 : x
  2. Step 2: Convert to fraction form
    1,301,830.06/1,796,599.55 = 728,865.22/x
  3. Step 3: Cross multiply
    1,301,830.06x = 1,796,599.55 × 728,865.22
  4. Step 4: Simplify right side
    1,301,830.06x = 1,309,478,926,262.65
  5. Step 5: Solve for x
    x = 1,309,478,926,262.65/1,301,830.06
  6. Step 6: Final answer
    x = 1,005,875.47

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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.