Home / 1,017,488.40-1,526,448.48-386,388.24

Finding the Fourth Proportional to 1,017,488.40, 1,526,448.48 and 386,388.24

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Solution

The fourth proportional to 1,017,488.40, 1,526,448.48 and 386,388.24 is: 579,664.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,488.40 : 1,526,448.48 = 386,388.24 : x
  2. Step 2: Convert to fraction form
    1,017,488.40/1,526,448.48 = 386,388.24/x
  3. Step 3: Cross multiply
    1,017,488.40x = 1,526,448.48 × 386,388.24
  4. Step 4: Simplify right side
    1,017,488.40x = 589,801,741,637.88
  5. Step 5: Solve for x
    x = 589,801,741,637.88/1,017,488.40
  6. Step 6: Final answer
    x = 579,664.34

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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.