Home / 1,427,457.22-2,140,507.85-828,601.96

Finding the Fourth Proportional to 1,427,457.22, 2,140,507.85 and 828,601.96

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Solution

The fourth proportional to 1,427,457.22, 2,140,507.85 and 828,601.96 is: 1,242,509.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,457.22 : 2,140,507.85 = 828,601.96 : x
  2. Step 2: Convert to fraction form
    1,427,457.22/2,140,507.85 = 828,601.96/x
  3. Step 3: Cross multiply
    1,427,457.22x = 2,140,507.85 × 828,601.96
  4. Step 4: Simplify right side
    1,427,457.22x = 1,773,628,995,762.38
  5. Step 5: Solve for x
    x = 1,773,628,995,762.38/1,427,457.22
  6. Step 6: Final answer
    x = 1,242,509.39

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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.