Home / 1,146,667.08-1,582,401.51-630,429.72

Finding the Fourth Proportional to 1,146,667.08, 1,582,401.51 and 630,429.72

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Solution

The fourth proportional to 1,146,667.08, 1,582,401.51 and 630,429.72 is: 869,993.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,667.08 : 1,582,401.51 = 630,429.72 : x
  2. Step 2: Convert to fraction form
    1,146,667.08/1,582,401.51 = 630,429.72/x
  3. Step 3: Cross multiply
    1,146,667.08x = 1,582,401.51 × 630,429.72
  4. Step 4: Simplify right side
    1,146,667.08x = 997,592,940,876.88
  5. Step 5: Solve for x
    x = 997,592,940,876.88/1,146,667.08
  6. Step 6: Final answer
    x = 869,993.53

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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.