Home / 1,052,987.77-1,454,008.89-666,485.03

Finding the Fourth Proportional to 1,052,987.77, 1,454,008.89 and 666,485.03

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Solution

The fourth proportional to 1,052,987.77, 1,454,008.89 and 666,485.03 is: 920,309.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,987.77 : 1,454,008.89 = 666,485.03 : x
  2. Step 2: Convert to fraction form
    1,052,987.77/1,454,008.89 = 666,485.03/x
  3. Step 3: Cross multiply
    1,052,987.77x = 1,454,008.89 × 666,485.03
  4. Step 4: Simplify right side
    1,052,987.77x = 969,075,151,401.87
  5. Step 5: Solve for x
    x = 969,075,151,401.87/1,052,987.77
  6. Step 6: Final answer
    x = 920,309.98

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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.