Home / 1,008,894.51-1,392,285.20-556,201.71

Finding the Fourth Proportional to 1,008,894.51, 1,392,285.20 and 556,201.71

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Solution

The fourth proportional to 1,008,894.51, 1,392,285.20 and 556,201.71 is: 767,564.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,894.51 : 1,392,285.20 = 556,201.71 : x
  2. Step 2: Convert to fraction form
    1,008,894.51/1,392,285.20 = 556,201.71/x
  3. Step 3: Cross multiply
    1,008,894.51x = 1,392,285.20 × 556,201.71
  4. Step 4: Simplify right side
    1,008,894.51x = 774,391,406,266.68
  5. Step 5: Solve for x
    x = 774,391,406,266.68/1,008,894.51
  6. Step 6: Final answer
    x = 767,564.30

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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.