Home / 1,409,726.80-2,114,820.60-462,840.40

Finding the Fourth Proportional to 1,409,726.80, 2,114,820.60 and 462,840.40

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Solution

The fourth proportional to 1,409,726.80, 2,114,820.60 and 462,840.40 is: 694,336.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,726.80 : 2,114,820.60 = 462,840.40 : x
  2. Step 2: Convert to fraction form
    1,409,726.80/2,114,820.60 = 462,840.40/x
  3. Step 3: Cross multiply
    1,409,726.80x = 2,114,820.60 × 462,840.40
  4. Step 4: Simplify right side
    1,409,726.80x = 978,824,412,432.24
  5. Step 5: Solve for x
    x = 978,824,412,432.24/1,409,726.80
  6. Step 6: Final answer
    x = 694,336.24

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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.