Home / 1,146,731.10-1,582,506.45-630,507.30

Finding the Fourth Proportional to 1,146,731.10, 1,582,506.45 and 630,507.30

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Solution

The fourth proportional to 1,146,731.10, 1,582,506.45 and 630,507.30 is: 870,109.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,731.10 : 1,582,506.45 = 630,507.30 : x
  2. Step 2: Convert to fraction form
    1,146,731.10/1,582,506.45 = 630,507.30/x
  3. Step 3: Cross multiply
    1,146,731.10x = 1,582,506.45 × 630,507.30
  4. Step 4: Simplify right side
    1,146,731.10x = 997,781,869,022.09
  5. Step 5: Solve for x
    x = 997,781,869,022.09/1,146,731.10
  6. Step 6: Final answer
    x = 870,109.71

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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.