Home / 1,054,970.15-1,582,455.23-256,246.31

Finding the Fourth Proportional to 1,054,970.15, 1,582,455.23 and 256,246.31

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Solution

The fourth proportional to 1,054,970.15, 1,582,455.23 and 256,246.31 is: 384,369.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,970.15 : 1,582,455.23 = 256,246.31 : x
  2. Step 2: Convert to fraction form
    1,054,970.15/1,582,455.23 = 256,246.31/x
  3. Step 3: Cross multiply
    1,054,970.15x = 1,582,455.23 × 256,246.31
  4. Step 4: Simplify right side
    1,054,970.15x = 405,498,314,054.26
  5. Step 5: Solve for x
    x = 405,498,314,054.26/1,054,970.15
  6. Step 6: Final answer
    x = 384,369.47

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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.