Home / 1,139,968.10-1,709,952.15-298,604.90

Finding the Fourth Proportional to 1,139,968.10, 1,709,952.15 and 298,604.90

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Solution

The fourth proportional to 1,139,968.10, 1,709,952.15 and 298,604.90 is: 447,907.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,968.10 : 1,709,952.15 = 298,604.90 : x
  2. Step 2: Convert to fraction form
    1,139,968.10/1,709,952.15 = 298,604.90/x
  3. Step 3: Cross multiply
    1,139,968.10x = 1,709,952.15 × 298,604.90
  4. Step 4: Simplify right side
    1,139,968.10x = 510,600,090,755.54
  5. Step 5: Solve for x
    x = 510,600,090,755.54/1,139,968.10
  6. Step 6: Final answer
    x = 447,907.35

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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.