Home / 1,008,219.06-1,391,373.81-578,577.78

Finding the Fourth Proportional to 1,008,219.06, 1,391,373.81 and 578,577.78

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Solution

The fourth proportional to 1,008,219.06, 1,391,373.81 and 578,577.78 is: 798,455.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,219.06 : 1,391,373.81 = 578,577.78 : x
  2. Step 2: Convert to fraction form
    1,008,219.06/1,391,373.81 = 578,577.78/x
  3. Step 3: Cross multiply
    1,008,219.06x = 1,391,373.81 × 578,577.78
  4. Step 4: Simplify right side
    1,008,219.06x = 805,017,970,139.94
  5. Step 5: Solve for x
    x = 805,017,970,139.94/1,008,219.06
  6. Step 6: Final answer
    x = 798,455.42

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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.