Home / 1,430,649.33-2,146,306.37-419,730.45

Finding the Fourth Proportional to 1,430,649.33, 2,146,306.37 and 419,730.45

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Solution

The fourth proportional to 1,430,649.33, 2,146,306.37 and 419,730.45 is: 629,693.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,649.33 : 2,146,306.37 = 419,730.45 : x
  2. Step 2: Convert to fraction form
    1,430,649.33/2,146,306.37 = 419,730.45/x
  3. Step 3: Cross multiply
    1,430,649.33x = 2,146,306.37 × 419,730.45
  4. Step 4: Simplify right side
    1,430,649.33x = 900,870,136,419.31
  5. Step 5: Solve for x
    x = 900,870,136,419.31/1,430,649.33
  6. Step 6: Final answer
    x = 629,693.19

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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.