Home / 1,030,712.04-1,422,091.89-668,151.18

Finding the Fourth Proportional to 1,030,712.04, 1,422,091.89 and 668,151.18

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Solution

The fourth proportional to 1,030,712.04, 1,422,091.89 and 668,151.18 is: 921,860.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,712.04 : 1,422,091.89 = 668,151.18 : x
  2. Step 2: Convert to fraction form
    1,030,712.04/1,422,091.89 = 668,151.18/x
  3. Step 3: Cross multiply
    1,030,712.04x = 1,422,091.89 × 668,151.18
  4. Step 4: Simplify right side
    1,030,712.04x = 950,172,374,371.93
  5. Step 5: Solve for x
    x = 950,172,374,371.93/1,030,712.04
  6. Step 6: Final answer
    x = 921,860.17

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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.