Home / 1,379,323.20-2,069,936.16-480,772.32

Finding the Fourth Proportional to 1,379,323.20, 2,069,936.16 and 480,772.32

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Solution

The fourth proportional to 1,379,323.20, 2,069,936.16 and 480,772.32 is: 721,490.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,323.20 : 2,069,936.16 = 480,772.32 : x
  2. Step 2: Convert to fraction form
    1,379,323.20/2,069,936.16 = 480,772.32/x
  3. Step 3: Cross multiply
    1,379,323.20x = 2,069,936.16 × 480,772.32
  4. Step 4: Simplify right side
    1,379,323.20x = 995,168,009,895.09
  5. Step 5: Solve for x
    x = 995,168,009,895.09/1,379,323.20
  6. Step 6: Final answer
    x = 721,490.08

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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.