Home / 1,020,678.98-1,408,454.12-590,986.33

Finding the Fourth Proportional to 1,020,678.98, 1,408,454.12 and 590,986.33

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Solution

The fourth proportional to 1,020,678.98, 1,408,454.12 and 590,986.33 is: 815,513.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,678.98 : 1,408,454.12 = 590,986.33 : x
  2. Step 2: Convert to fraction form
    1,020,678.98/1,408,454.12 = 590,986.33/x
  3. Step 3: Cross multiply
    1,020,678.98x = 1,408,454.12 × 590,986.33
  4. Step 4: Simplify right side
    1,020,678.98x = 832,377,129,308.51
  5. Step 5: Solve for x
    x = 832,377,129,308.51/1,020,678.98
  6. Step 6: Final answer
    x = 815,513.15

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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.