Home / 1,678,104.40-2,518,031.40-731,570.80

Finding the Fourth Proportional to 1,678,104.40, 2,518,031.40 and 731,570.80

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Solution

The fourth proportional to 1,678,104.40, 2,518,031.40 and 731,570.80 is: 1,097,737.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,104.40 : 2,518,031.40 = 731,570.80 : x
  2. Step 2: Convert to fraction form
    1,678,104.40/2,518,031.40 = 731,570.80/x
  3. Step 3: Cross multiply
    1,678,104.40x = 2,518,031.40 × 731,570.80
  4. Step 4: Simplify right side
    1,678,104.40x = 1,842,118,245,723.12
  5. Step 5: Solve for x
    x = 1,842,118,245,723.12/1,678,104.40
  6. Step 6: Final answer
    x = 1,097,737.57

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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.