Home / 1,222,821.08-1,833,266.93-772,592.96

Finding the Fourth Proportional to 1,222,821.08, 1,833,266.93 and 772,592.96

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Solution

The fourth proportional to 1,222,821.08, 1,833,266.93 and 772,592.96 is: 1,158,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,821.08 : 1,833,266.93 = 772,592.96 : x
  2. Step 2: Convert to fraction form
    1,222,821.08/1,833,266.93 = 772,592.96/x
  3. Step 3: Cross multiply
    1,222,821.08x = 1,833,266.93 × 772,592.96
  4. Step 4: Simplify right side
    1,222,821.08x = 1,416,369,110,889.51
  5. Step 5: Solve for x
    x = 1,416,369,110,889.51/1,222,821.08
  6. Step 6: Final answer
    x = 1,158,279.93

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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.