Home / 1,346,586.32-1,856,608.29-862,355.36

Finding the Fourth Proportional to 1,346,586.32, 1,856,608.29 and 862,355.36

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Solution

The fourth proportional to 1,346,586.32, 1,856,608.29 and 862,355.36 is: 1,188,973.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,586.32 : 1,856,608.29 = 862,355.36 : x
  2. Step 2: Convert to fraction form
    1,346,586.32/1,856,608.29 = 862,355.36/x
  3. Step 3: Cross multiply
    1,346,586.32x = 1,856,608.29 × 862,355.36
  4. Step 4: Simplify right side
    1,346,586.32x = 1,601,056,101,018.89
  5. Step 5: Solve for x
    x = 1,601,056,101,018.89/1,346,586.32
  6. Step 6: Final answer
    x = 1,188,973.99

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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.