Home / 1,860,679.55-2,790,515.27-512,521.52

Finding the Fourth Proportional to 1,860,679.55, 2,790,515.27 and 512,521.52

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Solution

The fourth proportional to 1,860,679.55, 2,790,515.27 and 512,521.52 is: 768,643.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860,679.55 : 2,790,515.27 = 512,521.52 : x
  2. Step 2: Convert to fraction form
    1,860,679.55/2,790,515.27 = 512,521.52/x
  3. Step 3: Cross multiply
    1,860,679.55x = 2,790,515.27 × 512,521.52
  4. Step 4: Simplify right side
    1,860,679.55x = 1,430,199,111,248.43
  5. Step 5: Solve for x
    x = 1,430,199,111,248.43/1,860,679.55
  6. Step 6: Final answer
    x = 768,643.43

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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.