Home / 1,190,555.28-1,785,828.06-432,395.28

Finding the Fourth Proportional to 1,190,555.28, 1,785,828.06 and 432,395.28

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Solution

The fourth proportional to 1,190,555.28, 1,785,828.06 and 432,395.28 is: 648,591.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,555.28 : 1,785,828.06 = 432,395.28 : x
  2. Step 2: Convert to fraction form
    1,190,555.28/1,785,828.06 = 432,395.28/x
  3. Step 3: Cross multiply
    1,190,555.28x = 1,785,828.06 × 432,395.28
  4. Step 4: Simplify right side
    1,190,555.28x = 772,183,624,035.56
  5. Step 5: Solve for x
    x = 772,183,624,035.56/1,190,555.28
  6. Step 6: Final answer
    x = 648,591.15

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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.