Home / 1,221,353.80-1,832,030.70-843,440.20

Finding the Fourth Proportional to 1,221,353.80, 1,832,030.70 and 843,440.20

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Solution

The fourth proportional to 1,221,353.80, 1,832,030.70 and 843,440.20 is: 1,265,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,353.80 : 1,832,030.70 = 843,440.20 : x
  2. Step 2: Convert to fraction form
    1,221,353.80/1,832,030.70 = 843,440.20/x
  3. Step 3: Cross multiply
    1,221,353.80x = 1,832,030.70 × 843,440.20
  4. Step 4: Simplify right side
    1,221,353.80x = 1,545,208,340,014.14
  5. Step 5: Solve for x
    x = 1,545,208,340,014.14/1,221,353.80
  6. Step 6: Final answer
    x = 1,265,160.30

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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.