Home / 1,370,237.28-2,055,619.44-423,574.08

Finding the Fourth Proportional to 1,370,237.28, 2,055,619.44 and 423,574.08

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Solution

The fourth proportional to 1,370,237.28, 2,055,619.44 and 423,574.08 is: 635,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,237.28 : 2,055,619.44 = 423,574.08 : x
  2. Step 2: Convert to fraction form
    1,370,237.28/2,055,619.44 = 423,574.08/x
  3. Step 3: Cross multiply
    1,370,237.28x = 2,055,619.44 × 423,574.08
  4. Step 4: Simplify right side
    1,370,237.28x = 870,707,113,128.12
  5. Step 5: Solve for x
    x = 870,707,113,128.12/1,370,237.28
  6. Step 6: Final answer
    x = 635,442.58

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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.