Home / 1,392,465.06-2,088,726.75-445,833

Finding the Fourth Proportional to 1,392,465.06, 2,088,726.75 and 445,833

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Solution

The fourth proportional to 1,392,465.06, 2,088,726.75 and 445,833 is: 668,758.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,465.06 : 2,088,726.75 = 445,833 : x
  2. Step 2: Convert to fraction form
    1,392,465.06/2,088,726.75 = 445,833/x
  3. Step 3: Cross multiply
    1,392,465.06x = 2,088,726.75 × 445,833
  4. Step 4: Simplify right side
    1,392,465.06x = 931,223,313,132.75
  5. Step 5: Solve for x
    x = 931,223,313,132.75/1,392,465.06
  6. Step 6: Final answer
    x = 668,758.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.