Home / 1,044,185.20-1,566,277.80-990,271.60

Finding the Fourth Proportional to 1,044,185.20, 1,566,277.80 and 990,271.60

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Solution

The fourth proportional to 1,044,185.20, 1,566,277.80 and 990,271.60 is: 1,485,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,185.20 : 1,566,277.80 = 990,271.60 : x
  2. Step 2: Convert to fraction form
    1,044,185.20/1,566,277.80 = 990,271.60/x
  3. Step 3: Cross multiply
    1,044,185.20x = 1,566,277.80 × 990,271.60
  4. Step 4: Simplify right side
    1,044,185.20x = 1,551,040,423,050.48
  5. Step 5: Solve for x
    x = 1,551,040,423,050.48/1,044,185.20
  6. Step 6: Final answer
    x = 1,485,407.40

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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.