Home / 1,055,051.32-1,455,884.65-619,422.78

Finding the Fourth Proportional to 1,055,051.32, 1,455,884.65 and 619,422.78

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Solution

The fourth proportional to 1,055,051.32, 1,455,884.65 and 619,422.78 is: 854,752.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,051.32 : 1,455,884.65 = 619,422.78 : x
  2. Step 2: Convert to fraction form
    1,055,051.32/1,455,884.65 = 619,422.78/x
  3. Step 3: Cross multiply
    1,055,051.32x = 1,455,884.65 × 619,422.78
  4. Step 4: Simplify right side
    1,055,051.32x = 901,808,117,262.33
  5. Step 5: Solve for x
    x = 901,808,117,262.33/1,055,051.32
  6. Step 6: Final answer
    x = 854,752.84

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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.