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Finding the Fourth Proportional to 1,094,977.92, 1,508,916.32 and 837,146.24

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Solution

The fourth proportional to 1,094,977.92, 1,508,916.32 and 837,146.24 is: 1,153,615.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,977.92 : 1,508,916.32 = 837,146.24 : x
  2. Step 2: Convert to fraction form
    1,094,977.92/1,508,916.32 = 837,146.24/x
  3. Step 3: Cross multiply
    1,094,977.92x = 1,508,916.32 × 837,146.24
  4. Step 4: Simplify right side
    1,094,977.92x = 1,263,183,623,762.64
  5. Step 5: Solve for x
    x = 1,263,183,623,762.64/1,094,977.92
  6. Step 6: Final answer
    x = 1,153,615.61

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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.