Home / 1,346,385.12-1,858,002.54-765,608.28

Finding the Fourth Proportional to 1,346,385.12, 1,858,002.54 and 765,608.28

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Solution

The fourth proportional to 1,346,385.12, 1,858,002.54 and 765,608.28 is: 1,056,534.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,385.12 : 1,858,002.54 = 765,608.28 : x
  2. Step 2: Convert to fraction form
    1,346,385.12/1,858,002.54 = 765,608.28/x
  3. Step 3: Cross multiply
    1,346,385.12x = 1,858,002.54 × 765,608.28
  4. Step 4: Simplify right side
    1,346,385.12x = 1,422,502,128,885.03
  5. Step 5: Solve for x
    x = 1,422,502,128,885.03/1,346,385.12
  6. Step 6: Final answer
    x = 1,056,534.35

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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.