Home / 1,456,871.40-2,185,307.10-445,991.40

Finding the Fourth Proportional to 1,456,871.40, 2,185,307.10 and 445,991.40

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Solution

The fourth proportional to 1,456,871.40, 2,185,307.10 and 445,991.40 is: 668,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,871.40 : 2,185,307.10 = 445,991.40 : x
  2. Step 2: Convert to fraction form
    1,456,871.40/2,185,307.10 = 445,991.40/x
  3. Step 3: Cross multiply
    1,456,871.40x = 2,185,307.10 × 445,991.40
  4. Step 4: Simplify right side
    1,456,871.40x = 974,628,172,958.94
  5. Step 5: Solve for x
    x = 974,628,172,958.94/1,456,871.40
  6. Step 6: Final answer
    x = 668,987.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.