Home / 840,597.48-1,260,136.44-570,815.64

Finding the Fourth Proportional to 840,597.48, 1,260,136.44 and 570,815.64

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Solution

The fourth proportional to 840,597.48, 1,260,136.44 and 570,815.64 is: 855,707.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,597.48 : 1,260,136.44 = 570,815.64 : x
  2. Step 2: Convert to fraction form
    840,597.48/1,260,136.44 = 570,815.64/x
  3. Step 3: Cross multiply
    840,597.48x = 1,260,136.44 × 570,815.64
  4. Step 4: Simplify right side
    840,597.48x = 719,305,588,485.92
  5. Step 5: Solve for x
    x = 719,305,588,485.92/840,597.48
  6. Step 6: Final answer
    x = 855,707.52

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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.