Home / 1,146,613.70-1,582,344.60-630,389.94

Finding the Fourth Proportional to 1,146,613.70, 1,582,344.60 and 630,389.94

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Solution

The fourth proportional to 1,146,613.70, 1,582,344.60 and 630,389.94 is: 869,947.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,613.70 : 1,582,344.60 = 630,389.94 : x
  2. Step 2: Convert to fraction form
    1,146,613.70/1,582,344.60 = 630,389.94/x
  3. Step 3: Cross multiply
    1,146,613.70x = 1,582,344.60 × 630,389.94
  4. Step 4: Simplify right side
    1,146,613.70x = 997,494,117,453.32
  5. Step 5: Solve for x
    x = 997,494,117,453.32/1,146,613.70
  6. Step 6: Final answer
    x = 869,947.85

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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.