Home / 1,079,989.96-1,490,376.78-596,588.86

Finding the Fourth Proportional to 1,079,989.96, 1,490,376.78 and 596,588.86

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Solution

The fourth proportional to 1,079,989.96, 1,490,376.78 and 596,588.86 is: 823,287.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,989.96 : 1,490,376.78 = 596,588.86 : x
  2. Step 2: Convert to fraction form
    1,079,989.96/1,490,376.78 = 596,588.86/x
  3. Step 3: Cross multiply
    1,079,989.96x = 1,490,376.78 × 596,588.86
  4. Step 4: Simplify right side
    1,079,989.96x = 889,142,184,150.67
  5. Step 5: Solve for x
    x = 889,142,184,150.67/1,079,989.96
  6. Step 6: Final answer
    x = 823,287.45

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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.