Home / 1,044,500.90-1,566,751.37-689,431.88

Finding the Fourth Proportional to 1,044,500.90, 1,566,751.37 and 689,431.88

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Solution

The fourth proportional to 1,044,500.90, 1,566,751.37 and 689,431.88 is: 1,034,147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,500.90 : 1,566,751.37 = 689,431.88 : x
  2. Step 2: Convert to fraction form
    1,044,500.90/1,566,751.37 = 689,431.88/x
  3. Step 3: Cross multiply
    1,044,500.90x = 1,566,751.37 × 689,431.88
  4. Step 4: Simplify right side
    1,044,500.90x = 1,080,168,342,981.39
  5. Step 5: Solve for x
    x = 1,080,168,342,981.39/1,044,500.90
  6. Step 6: Final answer
    x = 1,034,147.84

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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.