Home / 1,276,762.56-1,915,601.04-546,979.56

Finding the Fourth Proportional to 1,276,762.56, 1,915,601.04 and 546,979.56

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Solution

The fourth proportional to 1,276,762.56, 1,915,601.04 and 546,979.56 is: 820,665.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,762.56 : 1,915,601.04 = 546,979.56 : x
  2. Step 2: Convert to fraction form
    1,276,762.56/1,915,601.04 = 546,979.56/x
  3. Step 3: Cross multiply
    1,276,762.56x = 1,915,601.04 × 546,979.56
  4. Step 4: Simplify right side
    1,276,762.56x = 1,047,794,613,994.74
  5. Step 5: Solve for x
    x = 1,047,794,613,994.74/1,276,762.56
  6. Step 6: Final answer
    x = 820,665.21

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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.