Home / 751,056.24-1,036,110.16-665,102.80

Finding the Fourth Proportional to 751,056.24, 1,036,110.16 and 665,102.80

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Solution

The fourth proportional to 751,056.24, 1,036,110.16 and 665,102.80 is: 917,534.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,056.24 : 1,036,110.16 = 665,102.80 : x
  2. Step 2: Convert to fraction form
    751,056.24/1,036,110.16 = 665,102.80/x
  3. Step 3: Cross multiply
    751,056.24x = 1,036,110.16 × 665,102.80
  4. Step 4: Simplify right side
    751,056.24x = 689,119,768,524.45
  5. Step 5: Solve for x
    x = 689,119,768,524.45/751,056.24
  6. Step 6: Final answer
    x = 917,534.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.