Home / 1,484,714.80-2,227,145.10-776,126.80

Finding the Fourth Proportional to 1,484,714.80, 2,227,145.10 and 776,126.80

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Solution

The fourth proportional to 1,484,714.80, 2,227,145.10 and 776,126.80 is: 1,164,228.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,714.80 : 2,227,145.10 = 776,126.80 : x
  2. Step 2: Convert to fraction form
    1,484,714.80/2,227,145.10 = 776,126.80/x
  3. Step 3: Cross multiply
    1,484,714.80x = 2,227,145.10 × 776,126.80
  4. Step 4: Simplify right side
    1,484,714.80x = 1,728,546,999,598.68
  5. Step 5: Solve for x
    x = 1,728,546,999,598.68/1,484,714.80
  6. Step 6: Final answer
    x = 1,164,228.31

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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.