Home / 1,628,490.87-2,247,330.96-903,386.16

Finding the Fourth Proportional to 1,628,490.87, 2,247,330.96 and 903,386.16

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Solution

The fourth proportional to 1,628,490.87, 2,247,330.96 and 903,386.16 is: 1,246,680.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,490.87 : 2,247,330.96 = 903,386.16 : x
  2. Step 2: Convert to fraction form
    1,628,490.87/2,247,330.96 = 903,386.16/x
  3. Step 3: Cross multiply
    1,628,490.87x = 2,247,330.96 × 903,386.16
  4. Step 4: Simplify right side
    1,628,490.87x = 2,030,207,686,203.51
  5. Step 5: Solve for x
    x = 2,030,207,686,203.51/1,628,490.87
  6. Step 6: Final answer
    x = 1,246,680.42

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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.