Home / 1,202,518.64-1,660,591.32-900,187.76

Finding the Fourth Proportional to 1,202,518.64, 1,660,591.32 and 900,187.76

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Solution

The fourth proportional to 1,202,518.64, 1,660,591.32 and 900,187.76 is: 1,243,094.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,518.64 : 1,660,591.32 = 900,187.76 : x
  2. Step 2: Convert to fraction form
    1,202,518.64/1,660,591.32 = 900,187.76/x
  3. Step 3: Cross multiply
    1,202,518.64x = 1,660,591.32 × 900,187.76
  4. Step 4: Simplify right side
    1,202,518.64x = 1,494,843,980,626.24
  5. Step 5: Solve for x
    x = 1,494,843,980,626.24/1,202,518.64
  6. Step 6: Final answer
    x = 1,243,094.23

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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.