Home / 1,335,420.08-2,003,203.08-338,156.72

Finding the Fourth Proportional to 1,335,420.08, 2,003,203.08 and 338,156.72

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Solution

The fourth proportional to 1,335,420.08, 2,003,203.08 and 338,156.72 is: 507,253.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,420.08 : 2,003,203.08 = 338,156.72 : x
  2. Step 2: Convert to fraction form
    1,335,420.08/2,003,203.08 = 338,156.72/x
  3. Step 3: Cross multiply
    1,335,420.08x = 2,003,203.08 × 338,156.72
  4. Step 4: Simplify right side
    1,335,420.08x = 677,396,583,026.70
  5. Step 5: Solve for x
    x = 677,396,583,026.70/1,335,420.08
  6. Step 6: Final answer
    x = 507,253.56

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1.5x scale

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.