Home / 1,405,964.92-2,108,511.60-507,290.20

Finding the Fourth Proportional to 1,405,964.92, 2,108,511.60 and 507,290.20

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Solution

The fourth proportional to 1,405,964.92, 2,108,511.60 and 507,290.20 is: 760,778.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,964.92 : 2,108,511.60 = 507,290.20 : x
  2. Step 2: Convert to fraction form
    1,405,964.92/2,108,511.60 = 507,290.20/x
  3. Step 3: Cross multiply
    1,405,964.92x = 2,108,511.60 × 507,290.20
  4. Step 4: Simplify right side
    1,405,964.92x = 1,069,627,271,266.32
  5. Step 5: Solve for x
    x = 1,069,627,271,266.32/1,405,964.92
  6. Step 6: Final answer
    x = 760,778.06

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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.