Home / 1,008,520.32-1,391,739.24-549,638.40

Finding the Fourth Proportional to 1,008,520.32, 1,391,739.24 and 549,638.40

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Solution

The fourth proportional to 1,008,520.32, 1,391,739.24 and 549,638.40 is: 758,490.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,520.32 : 1,391,739.24 = 549,638.40 : x
  2. Step 2: Convert to fraction form
    1,008,520.32/1,391,739.24 = 549,638.40/x
  3. Step 3: Cross multiply
    1,008,520.32x = 1,391,739.24 × 549,638.40
  4. Step 4: Simplify right side
    1,008,520.32x = 764,953,329,090.82
  5. Step 5: Solve for x
    x = 764,953,329,090.82/1,008,520.32
  6. Step 6: Final answer
    x = 758,490.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.