Home / 1,038,380.32-1,557,735.18-439,345.96

Finding the Fourth Proportional to 1,038,380.32, 1,557,735.18 and 439,345.96

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Solution

The fourth proportional to 1,038,380.32, 1,557,735.18 and 439,345.96 is: 659,088.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,380.32 : 1,557,735.18 = 439,345.96 : x
  2. Step 2: Convert to fraction form
    1,038,380.32/1,557,735.18 = 439,345.96/x
  3. Step 3: Cross multiply
    1,038,380.32x = 1,557,735.18 × 439,345.96
  4. Step 4: Simplify right side
    1,038,380.32x = 684,384,658,082.87
  5. Step 5: Solve for x
    x = 684,384,658,082.87/1,038,380.32
  6. Step 6: Final answer
    x = 659,088.63

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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.