Home / 1,549,175.64-2,137,819.74-860,829.72

Finding the Fourth Proportional to 1,549,175.64, 2,137,819.74 and 860,829.72

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Solution

The fourth proportional to 1,549,175.64, 2,137,819.74 and 860,829.72 is: 1,187,921.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,175.64 : 2,137,819.74 = 860,829.72 : x
  2. Step 2: Convert to fraction form
    1,549,175.64/2,137,819.74 = 860,829.72/x
  3. Step 3: Cross multiply
    1,549,175.64x = 2,137,819.74 × 860,829.72
  4. Step 4: Simplify right side
    1,549,175.64x = 1,840,298,768,194.67
  5. Step 5: Solve for x
    x = 1,840,298,768,194.67/1,549,175.64
  6. Step 6: Final answer
    x = 1,187,921.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.