Home / 1,113,958.34-1,537,150.31-630,439.30

Finding the Fourth Proportional to 1,113,958.34, 1,537,150.31 and 630,439.30

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Solution

The fourth proportional to 1,113,958.34, 1,537,150.31 and 630,439.30 is: 869,942.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,958.34 : 1,537,150.31 = 630,439.30 : x
  2. Step 2: Convert to fraction form
    1,113,958.34/1,537,150.31 = 630,439.30/x
  3. Step 3: Cross multiply
    1,113,958.34x = 1,537,150.31 × 630,439.30
  4. Step 4: Simplify right side
    1,113,958.34x = 969,079,966,564.57
  5. Step 5: Solve for x
    x = 969,079,966,564.57/1,113,958.34
  6. Step 6: Final answer
    x = 869,942.74

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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.