Home / 1,860,433.81-2,790,151.12-512,275.43

Finding the Fourth Proportional to 1,860,433.81, 2,790,151.12 and 512,275.43

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Solution

The fourth proportional to 1,860,433.81, 2,790,151.12 and 512,275.43 is: 768,275.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860,433.81 : 2,790,151.12 = 512,275.43 : x
  2. Step 2: Convert to fraction form
    1,860,433.81/2,790,151.12 = 512,275.43/x
  3. Step 3: Cross multiply
    1,860,433.81x = 2,790,151.12 × 512,275.43
  4. Step 4: Simplify right side
    1,860,433.81x = 1,429,325,870,457.67
  5. Step 5: Solve for x
    x = 1,429,325,870,457.67/1,860,433.81
  6. Step 6: Final answer
    x = 768,275.58

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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.