Home / 1,235,210.70-1,852,816.05-1,216,548.30

Finding the Fourth Proportional to 1,235,210.70, 1,852,816.05 and 1,216,548.30

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Solution

The fourth proportional to 1,235,210.70, 1,852,816.05 and 1,216,548.30 is: 1,824,822.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,210.70 : 1,852,816.05 = 1,216,548.30 : x
  2. Step 2: Convert to fraction form
    1,235,210.70/1,852,816.05 = 1,216,548.30/x
  3. Step 3: Cross multiply
    1,235,210.70x = 1,852,816.05 × 1,216,548.30
  4. Step 4: Simplify right side
    1,235,210.70x = 2,254,040,215,840.22
  5. Step 5: Solve for x
    x = 2,254,040,215,840.22/1,235,210.70
  6. Step 6: Final answer
    x = 1,824,822.45

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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.