Home / 1,539,051.92-2,123,887.20-859,988.96

Finding the Fourth Proportional to 1,539,051.92, 2,123,887.20 and 859,988.96

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Solution

The fourth proportional to 1,539,051.92, 2,123,887.20 and 859,988.96 is: 1,186,782.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,051.92 : 2,123,887.20 = 859,988.96 : x
  2. Step 2: Convert to fraction form
    1,539,051.92/2,123,887.20 = 859,988.96/x
  3. Step 3: Cross multiply
    1,539,051.92x = 2,123,887.20 × 859,988.96
  4. Step 4: Simplify right side
    1,539,051.92x = 1,826,519,544,285.31
  5. Step 5: Solve for x
    x = 1,826,519,544,285.31/1,539,051.92
  6. Step 6: Final answer
    x = 1,186,782.28

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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.