Home / 1,213,155.23-1,674,154.37-669,292.32

Finding the Fourth Proportional to 1,213,155.23, 1,674,154.37 and 669,292.32

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Solution

The fourth proportional to 1,213,155.23, 1,674,154.37 and 669,292.32 is: 923,623.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,155.23 : 1,674,154.37 = 669,292.32 : x
  2. Step 2: Convert to fraction form
    1,213,155.23/1,674,154.37 = 669,292.32/x
  3. Step 3: Cross multiply
    1,213,155.23x = 1,674,154.37 × 669,292.32
  4. Step 4: Simplify right side
    1,213,155.23x = 1,120,498,660,869.63
  5. Step 5: Solve for x
    x = 1,120,498,660,869.63/1,213,155.23
  6. Step 6: Final answer
    x = 923,623.49

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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.