Home / 1,011,383.28-1,395,590.04-558,647.28

Finding the Fourth Proportional to 1,011,383.28, 1,395,590.04 and 558,647.28

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Solution

The fourth proportional to 1,011,383.28, 1,395,590.04 and 558,647.28 is: 770,867.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,383.28 : 1,395,590.04 = 558,647.28 : x
  2. Step 2: Convert to fraction form
    1,011,383.28/1,395,590.04 = 558,647.28/x
  3. Step 3: Cross multiply
    1,011,383.28x = 1,395,590.04 × 558,647.28
  4. Step 4: Simplify right side
    1,011,383.28x = 779,642,579,841.09
  5. Step 5: Solve for x
    x = 779,642,579,841.09/1,011,383.28
  6. Step 6: Final answer
    x = 770,867.58

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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.