Home / 1,507,707.60-2,080,612.34-828,629.52

Finding the Fourth Proportional to 1,507,707.60, 2,080,612.34 and 828,629.52

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Solution

The fourth proportional to 1,507,707.60, 2,080,612.34 and 828,629.52 is: 1,143,495.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,707.60 : 2,080,612.34 = 828,629.52 : x
  2. Step 2: Convert to fraction form
    1,507,707.60/2,080,612.34 = 828,629.52/x
  3. Step 3: Cross multiply
    1,507,707.60x = 2,080,612.34 × 828,629.52
  4. Step 4: Simplify right side
    1,507,707.60x = 1,724,056,804,600.28
  5. Step 5: Solve for x
    x = 1,724,056,804,600.28/1,507,707.60
  6. Step 6: Final answer
    x = 1,143,495.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.