Home / 1,168,883-1,612,784.38-709,984.80

Finding the Fourth Proportional to 1,168,883, 1,612,784.38 and 709,984.80

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Solution

The fourth proportional to 1,168,883, 1,612,784.38 and 709,984.80 is: 979,612.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,883 : 1,612,784.38 = 709,984.80 : x
  2. Step 2: Convert to fraction form
    1,168,883/1,612,784.38 = 709,984.80/x
  3. Step 3: Cross multiply
    1,168,883x = 1,612,784.38 × 709,984.80
  4. Step 4: Simplify right side
    1,168,883x = 1,145,052,395,477.42
  5. Step 5: Solve for x
    x = 1,145,052,395,477.42/1,168,883
  6. Step 6: Final answer
    x = 979,612.50

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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.