Home / 1,536,687.65-2,120,906.54-916,532.56

Finding the Fourth Proportional to 1,536,687.65, 2,120,906.54 and 916,532.56

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Solution

The fourth proportional to 1,536,687.65, 2,120,906.54 and 916,532.56 is: 1,264,980.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,687.65 : 2,120,906.54 = 916,532.56 : x
  2. Step 2: Convert to fraction form
    1,536,687.65/2,120,906.54 = 916,532.56/x
  3. Step 3: Cross multiply
    1,536,687.65x = 2,120,906.54 × 916,532.56
  4. Step 4: Simplify right side
    1,536,687.65x = 1,943,879,903,850.91
  5. Step 5: Solve for x
    x = 1,943,879,903,850.91/1,536,687.65
  6. Step 6: Final answer
    x = 1,264,980.50

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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.