Home / 1,628,056.71-2,246,852.76-903,138.15

Finding the Fourth Proportional to 1,628,056.71, 2,246,852.76 and 903,138.15

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Solution

The fourth proportional to 1,628,056.71, 2,246,852.76 and 903,138.15 is: 1,246,405.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,056.71 : 2,246,852.76 = 903,138.15 : x
  2. Step 2: Convert to fraction form
    1,628,056.71/2,246,852.76 = 903,138.15/x
  3. Step 3: Cross multiply
    1,628,056.71x = 2,246,852.76 × 903,138.15
  4. Step 4: Simplify right side
    1,628,056.71x = 2,029,218,444,988.79
  5. Step 5: Solve for x
    x = 2,029,218,444,988.79/1,628,056.71
  6. Step 6: Final answer
    x = 1,246,405.26

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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.