Home / 1,114,820.10-1,672,230.15-778,896.90

Finding the Fourth Proportional to 1,114,820.10, 1,672,230.15 and 778,896.90

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Solution

The fourth proportional to 1,114,820.10, 1,672,230.15 and 778,896.90 is: 1,168,345.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,820.10 : 1,672,230.15 = 778,896.90 : x
  2. Step 2: Convert to fraction form
    1,114,820.10/1,672,230.15 = 778,896.90/x
  3. Step 3: Cross multiply
    1,114,820.10x = 1,672,230.15 × 778,896.90
  4. Step 4: Simplify right side
    1,114,820.10x = 1,302,494,879,921.53
  5. Step 5: Solve for x
    x = 1,302,494,879,921.53/1,114,820.10
  6. Step 6: Final answer
    x = 1,168,345.35

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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.