Home / 1,146,748.90-1,582,416.12-630,474.88

Finding the Fourth Proportional to 1,146,748.90, 1,582,416.12 and 630,474.88

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Solution

The fourth proportional to 1,146,748.90, 1,582,416.12 and 630,474.88 is: 870,001.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,748.90 : 1,582,416.12 = 630,474.88 : x
  2. Step 2: Convert to fraction form
    1,146,748.90/1,582,416.12 = 630,474.88/x
  3. Step 3: Cross multiply
    1,146,748.90x = 1,582,416.12 × 630,474.88
  4. Step 4: Simplify right side
    1,146,748.90x = 997,673,613,367.07
  5. Step 5: Solve for x
    x = 997,673,613,367.07/1,146,748.90
  6. Step 6: Final answer
    x = 870,001.81

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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.