Home / 1,346,122.80-2,020,496.40-672,964.20

Finding the Fourth Proportional to 1,346,122.80, 2,020,496.40 and 672,964.20

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Solution

The fourth proportional to 1,346,122.80, 2,020,496.40 and 672,964.20 is: 1,010,102.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,122.80 : 2,020,496.40 = 672,964.20 : x
  2. Step 2: Convert to fraction form
    1,346,122.80/2,020,496.40 = 672,964.20/x
  3. Step 3: Cross multiply
    1,346,122.80x = 2,020,496.40 × 672,964.20
  4. Step 4: Simplify right side
    1,346,122.80x = 1,359,721,743,428.88
  5. Step 5: Solve for x
    x = 1,359,721,743,428.88/1,346,122.80
  6. Step 6: Final answer
    x = 1,010,102.31

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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.