Home / 1,147,916.31-1,586,309.32-860,938.17

Finding the Fourth Proportional to 1,147,916.31, 1,586,309.32 and 860,938.17

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Solution

The fourth proportional to 1,147,916.31, 1,586,309.32 and 860,938.17 is: 1,189,733.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,916.31 : 1,586,309.32 = 860,938.17 : x
  2. Step 2: Convert to fraction form
    1,147,916.31/1,586,309.32 = 860,938.17/x
  3. Step 3: Cross multiply
    1,147,916.31x = 1,586,309.32 × 860,938.17
  4. Step 4: Simplify right side
    1,147,916.31x = 1,365,714,233,299.48
  5. Step 5: Solve for x
    x = 1,365,714,233,299.48/1,147,916.31
  6. Step 6: Final answer
    x = 1,189,733.28

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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.