Home / 1,628,812.32-2,248,030.80-903,892.88

Finding the Fourth Proportional to 1,628,812.32, 2,248,030.80 and 903,892.88

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Solution

The fourth proportional to 1,628,812.32, 2,248,030.80 and 903,892.88 is: 1,247,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,812.32 : 2,248,030.80 = 903,892.88 : x
  2. Step 2: Convert to fraction form
    1,628,812.32/2,248,030.80 = 903,892.88/x
  3. Step 3: Cross multiply
    1,628,812.32x = 2,248,030.80 × 903,892.88
  4. Step 4: Simplify right side
    1,628,812.32x = 2,031,979,034,140.70
  5. Step 5: Solve for x
    x = 2,031,979,034,140.70/1,628,812.32
  6. Step 6: Final answer
    x = 1,247,521.90

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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.