Home / 1,318,054.78-1,977,235.77-477,002.62

Finding the Fourth Proportional to 1,318,054.78, 1,977,235.77 and 477,002.62

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Solution

The fourth proportional to 1,318,054.78, 1,977,235.77 and 477,002.62 is: 715,559.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,054.78 : 1,977,235.77 = 477,002.62 : x
  2. Step 2: Convert to fraction form
    1,318,054.78/1,977,235.77 = 477,002.62/x
  3. Step 3: Cross multiply
    1,318,054.78x = 1,977,235.77 × 477,002.62
  4. Step 4: Simplify right side
    1,318,054.78x = 943,146,642,647.72
  5. Step 5: Solve for x
    x = 943,146,642,647.72/1,318,054.78
  6. Step 6: Final answer
    x = 715,559.52

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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.