Home / 1,008,758.48-1,392,091.08-556,039.76

Finding the Fourth Proportional to 1,008,758.48, 1,392,091.08 and 556,039.76

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Solution

The fourth proportional to 1,008,758.48, 1,392,091.08 and 556,039.76 is: 767,337.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,758.48 : 1,392,091.08 = 556,039.76 : x
  2. Step 2: Convert to fraction form
    1,008,758.48/1,392,091.08 = 556,039.76/x
  3. Step 3: Cross multiply
    1,008,758.48x = 1,392,091.08 × 556,039.76
  4. Step 4: Simplify right side
    1,008,758.48x = 774,057,990,021.34
  5. Step 5: Solve for x
    x = 774,057,990,021.34/1,008,758.48
  6. Step 6: Final answer
    x = 767,337.28

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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.