Home / 1,027,742.58-1,543,378.05-630,714.60

Finding the Fourth Proportional to 1,027,742.58, 1,543,378.05 and 630,714.60

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Solution

The fourth proportional to 1,027,742.58, 1,543,378.05 and 630,714.60 is: 947,154.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,742.58 : 1,543,378.05 = 630,714.60 : x
  2. Step 2: Convert to fraction form
    1,027,742.58/1,543,378.05 = 630,714.60/x
  3. Step 3: Cross multiply
    1,027,742.58x = 1,543,378.05 × 630,714.60
  4. Step 4: Simplify right side
    1,027,742.58x = 973,431,069,454.53
  5. Step 5: Solve for x
    x = 973,431,069,454.53/1,027,742.58
  6. Step 6: Final answer
    x = 947,154.56

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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.