Home / 1,020,104.80-1,527,824.40-520,885.60

Finding the Fourth Proportional to 1,020,104.80, 1,527,824.40 and 520,885.60

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Solution

The fourth proportional to 1,020,104.80, 1,527,824.40 and 520,885.60 is: 780,137.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,104.80 : 1,527,824.40 = 520,885.60 : x
  2. Step 2: Convert to fraction form
    1,020,104.80/1,527,824.40 = 520,885.60/x
  3. Step 3: Cross multiply
    1,020,104.80x = 1,527,824.40 × 520,885.60
  4. Step 4: Simplify right side
    1,020,104.80x = 795,821,729,288.64
  5. Step 5: Solve for x
    x = 795,821,729,288.64/1,020,104.80
  6. Step 6: Final answer
    x = 780,137.23

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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.