Home / 1,138,170.48-1,571,407.47-730,448.07

Finding the Fourth Proportional to 1,138,170.48, 1,571,407.47 and 730,448.07

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Solution

The fourth proportional to 1,138,170.48, 1,571,407.47 and 730,448.07 is: 1,008,488.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,170.48 : 1,571,407.47 = 730,448.07 : x
  2. Step 2: Convert to fraction form
    1,138,170.48/1,571,407.47 = 730,448.07/x
  3. Step 3: Cross multiply
    1,138,170.48x = 1,571,407.47 × 730,448.07
  4. Step 4: Simplify right side
    1,138,170.48x = 1,147,831,553,645.08
  5. Step 5: Solve for x
    x = 1,147,831,553,645.08/1,138,170.48
  6. Step 6: Final answer
    x = 1,008,488.25

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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.