Home / 1,783,828.80-2,672,114.40-1,107,835.20

Finding the Fourth Proportional to 1,783,828.80, 2,672,114.40 and 1,107,835.20

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Solution

The fourth proportional to 1,783,828.80, 2,672,114.40 and 1,107,835.20 is: 1,659,499.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,828.80 : 2,672,114.40 = 1,107,835.20 : x
  2. Step 2: Convert to fraction form
    1,783,828.80/2,672,114.40 = 1,107,835.20/x
  3. Step 3: Cross multiply
    1,783,828.80x = 2,672,114.40 × 1,107,835.20
  4. Step 4: Simplify right side
    1,783,828.80x = 2,960,262,390,746.88
  5. Step 5: Solve for x
    x = 2,960,262,390,746.88/1,783,828.80
  6. Step 6: Final answer
    x = 1,659,499.16

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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.