Home / 1,518,428.65-2,095,456.44-906,634.90

Finding the Fourth Proportional to 1,518,428.65, 2,095,456.44 and 906,634.90

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Solution

The fourth proportional to 1,518,428.65, 2,095,456.44 and 906,634.90 is: 1,251,171.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,428.65 : 2,095,456.44 = 906,634.90 : x
  2. Step 2: Convert to fraction form
    1,518,428.65/2,095,456.44 = 906,634.90/x
  3. Step 3: Cross multiply
    1,518,428.65x = 2,095,456.44 × 906,634.90
  4. Step 4: Simplify right side
    1,518,428.65x = 1,899,813,939,933.76
  5. Step 5: Solve for x
    x = 1,899,813,939,933.76/1,518,428.65
  6. Step 6: Final answer
    x = 1,251,171.03

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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.