Home / 1,087,784.33-1,501,054.27-628,928.37

Finding the Fourth Proportional to 1,087,784.33, 1,501,054.27 and 628,928.37

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Solution

The fourth proportional to 1,087,784.33, 1,501,054.27 and 628,928.37 is: 867,870.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,784.33 : 1,501,054.27 = 628,928.37 : x
  2. Step 2: Convert to fraction form
    1,087,784.33/1,501,054.27 = 628,928.37/x
  3. Step 3: Cross multiply
    1,087,784.33x = 1,501,054.27 × 628,928.37
  4. Step 4: Simplify right side
    1,087,784.33x = 944,055,613,740.32
  5. Step 5: Solve for x
    x = 944,055,613,740.32/1,087,784.33
  6. Step 6: Final answer
    x = 867,870.21

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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.