Home / 1,549,174.64-2,137,818.36-860,828.72

Finding the Fourth Proportional to 1,549,174.64, 2,137,818.36 and 860,828.72

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Solution

The fourth proportional to 1,549,174.64, 2,137,818.36 and 860,828.72 is: 1,187,919.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,174.64 : 2,137,818.36 = 860,828.72 : x
  2. Step 2: Convert to fraction form
    1,549,174.64/2,137,818.36 = 860,828.72/x
  3. Step 3: Cross multiply
    1,549,174.64x = 2,137,818.36 × 860,828.72
  4. Step 4: Simplify right side
    1,549,174.64x = 1,840,295,442,431.30
  5. Step 5: Solve for x
    x = 1,840,295,442,431.30/1,549,174.64
  6. Step 6: Final answer
    x = 1,187,919.94

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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.