Home / 1,051,200.80-1,574,986.80-489,082.40

Finding the Fourth Proportional to 1,051,200.80, 1,574,986.80 and 489,082.40

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Solution

The fourth proportional to 1,051,200.80, 1,574,986.80 and 489,082.40 is: 732,779.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,200.80 : 1,574,986.80 = 489,082.40 : x
  2. Step 2: Convert to fraction form
    1,051,200.80/1,574,986.80 = 489,082.40/x
  3. Step 3: Cross multiply
    1,051,200.80x = 1,574,986.80 × 489,082.40
  4. Step 4: Simplify right side
    1,051,200.80x = 770,298,324,112.32
  5. Step 5: Solve for x
    x = 770,298,324,112.32/1,051,200.80
  6. Step 6: Final answer
    x = 732,779.43

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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.