Home / 1,008,906.51-1,392,300.50-556,213.71

Finding the Fourth Proportional to 1,008,906.51, 1,392,300.50 and 556,213.71

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Solution

The fourth proportional to 1,008,906.51, 1,392,300.50 and 556,213.71 is: 767,580.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,906.51 : 1,392,300.50 = 556,213.71 : x
  2. Step 2: Convert to fraction form
    1,008,906.51/1,392,300.50 = 556,213.71/x
  3. Step 3: Cross multiply
    1,008,906.51x = 1,392,300.50 × 556,213.71
  4. Step 4: Simplify right side
    1,008,906.51x = 774,416,623,758.79
  5. Step 5: Solve for x
    x = 774,416,623,758.79/1,008,906.51
  6. Step 6: Final answer
    x = 767,580.16

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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.