Home / 1,138,449.51-1,707,422.75-328,657.95

Finding the Fourth Proportional to 1,138,449.51, 1,707,422.75 and 328,657.95

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Solution

The fourth proportional to 1,138,449.51, 1,707,422.75 and 328,657.95 is: 492,914.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,449.51 : 1,707,422.75 = 328,657.95 : x
  2. Step 2: Convert to fraction form
    1,138,449.51/1,707,422.75 = 328,657.95/x
  3. Step 3: Cross multiply
    1,138,449.51x = 1,707,422.75 × 328,657.95
  4. Step 4: Simplify right side
    1,138,449.51x = 561,158,060,798.36
  5. Step 5: Solve for x
    x = 561,158,060,798.36/1,138,449.51
  6. Step 6: Final answer
    x = 492,914.32

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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.