Home / 1,348,021.78-1,860,284.86-736,192.53

Finding the Fourth Proportional to 1,348,021.78, 1,860,284.86 and 736,192.53

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Solution

The fourth proportional to 1,348,021.78, 1,860,284.86 and 736,192.53 is: 1,015,953.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,021.78 : 1,860,284.86 = 736,192.53 : x
  2. Step 2: Convert to fraction form
    1,348,021.78/1,860,284.86 = 736,192.53/x
  3. Step 3: Cross multiply
    1,348,021.78x = 1,860,284.86 × 736,192.53
  4. Step 4: Simplify right side
    1,348,021.78x = 1,369,527,815,763.61
  5. Step 5: Solve for x
    x = 1,369,527,815,763.61/1,348,021.78
  6. Step 6: Final answer
    x = 1,015,953.78

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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.