Home / 1,057,616.40-1,586,697.99-458,439.15

Finding the Fourth Proportional to 1,057,616.40, 1,586,697.99 and 458,439.15

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Solution

The fourth proportional to 1,057,616.40, 1,586,697.99 and 458,439.15 is: 687,777.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,616.40 : 1,586,697.99 = 458,439.15 : x
  2. Step 2: Convert to fraction form
    1,057,616.40/1,586,697.99 = 458,439.15/x
  3. Step 3: Cross multiply
    1,057,616.40x = 1,586,697.99 × 458,439.15
  4. Step 4: Simplify right side
    1,057,616.40x = 727,404,477,842.31
  5. Step 5: Solve for x
    x = 727,404,477,842.31/1,057,616.40
  6. Step 6: Final answer
    x = 687,777.23

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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.