Home / 1,228,841.70-1,843,262.55-1,018,889.70

Finding the Fourth Proportional to 1,228,841.70, 1,843,262.55 and 1,018,889.70

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Solution

The fourth proportional to 1,228,841.70, 1,843,262.55 and 1,018,889.70 is: 1,528,334.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,841.70 : 1,843,262.55 = 1,018,889.70 : x
  2. Step 2: Convert to fraction form
    1,228,841.70/1,843,262.55 = 1,018,889.70/x
  3. Step 3: Cross multiply
    1,228,841.70x = 1,843,262.55 × 1,018,889.70
  4. Step 4: Simplify right side
    1,228,841.70x = 1,878,081,226,590.74
  5. Step 5: Solve for x
    x = 1,878,081,226,590.74/1,228,841.70
  6. Step 6: Final answer
    x = 1,528,334.55

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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.