Home / 1,057,230.96-1,585,399.32-425,975.28

Finding the Fourth Proportional to 1,057,230.96, 1,585,399.32 and 425,975.28

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Solution

The fourth proportional to 1,057,230.96, 1,585,399.32 and 425,975.28 is: 638,782.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,230.96 : 1,585,399.32 = 425,975.28 : x
  2. Step 2: Convert to fraction form
    1,057,230.96/1,585,399.32 = 425,975.28/x
  3. Step 3: Cross multiply
    1,057,230.96x = 1,585,399.32 × 425,975.28
  4. Step 4: Simplify right side
    1,057,230.96x = 675,340,919,248.81
  5. Step 5: Solve for x
    x = 675,340,919,248.81/1,057,230.96
  6. Step 6: Final answer
    x = 638,782.77

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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.