Home / 1,138,666.68-1,710,099.54-903,520.44

Finding the Fourth Proportional to 1,138,666.68, 1,710,099.54 and 903,520.44

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Solution

The fourth proportional to 1,138,666.68, 1,710,099.54 and 903,520.44 is: 1,356,946.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,666.68 : 1,710,099.54 = 903,520.44 : x
  2. Step 2: Convert to fraction form
    1,138,666.68/1,710,099.54 = 903,520.44/x
  3. Step 3: Cross multiply
    1,138,666.68x = 1,710,099.54 × 903,520.44
  4. Step 4: Simplify right side
    1,138,666.68x = 1,545,109,888,824.60
  5. Step 5: Solve for x
    x = 1,545,109,888,824.60/1,138,666.68
  6. Step 6: Final answer
    x = 1,356,946.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.