Home / 1,006,722-1,508,973.84-407,309.04

Finding the Fourth Proportional to 1,006,722, 1,508,973.84 and 407,309.04

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Solution

The fourth proportional to 1,006,722, 1,508,973.84 and 407,309.04 is: 610,514.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,722 : 1,508,973.84 = 407,309.04 : x
  2. Step 2: Convert to fraction form
    1,006,722/1,508,973.84 = 407,309.04/x
  3. Step 3: Cross multiply
    1,006,722x = 1,508,973.84 × 407,309.04
  4. Step 4: Simplify right side
    1,006,722x = 614,618,686,155.51
  5. Step 5: Solve for x
    x = 614,618,686,155.51/1,006,722
  6. Step 6: Final answer
    x = 610,514.81

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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.