Home / 1,680,405.08-2,520,603.74-720,238.10

Finding the Fourth Proportional to 1,680,405.08, 2,520,603.74 and 720,238.10

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Solution

The fourth proportional to 1,680,405.08, 2,520,603.74 and 720,238.10 is: 1,080,355.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,405.08 : 2,520,603.74 = 720,238.10 : x
  2. Step 2: Convert to fraction form
    1,680,405.08/2,520,603.74 = 720,238.10/x
  3. Step 3: Cross multiply
    1,680,405.08x = 2,520,603.74 × 720,238.10
  4. Step 4: Simplify right side
    1,680,405.08x = 1,815,434,835,722.40
  5. Step 5: Solve for x
    x = 1,815,434,835,722.40/1,680,405.08
  6. Step 6: Final answer
    x = 1,080,355.48

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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.