Home / 1,240,030-1,860,162.55-481,929.91

Finding the Fourth Proportional to 1,240,030, 1,860,162.55 and 481,929.91

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Solution

The fourth proportional to 1,240,030, 1,860,162.55 and 481,929.91 is: 722,940.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,030 : 1,860,162.55 = 481,929.91 : x
  2. Step 2: Convert to fraction form
    1,240,030/1,860,162.55 = 481,929.91/x
  3. Step 3: Cross multiply
    1,240,030x = 1,860,162.55 × 481,929.91
  4. Step 4: Simplify right side
    1,240,030x = 896,467,970,306.87
  5. Step 5: Solve for x
    x = 896,467,970,306.87/1,240,030
  6. Step 6: Final answer
    x = 722,940.55

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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.