Home / 1,009,199.68-1,392,665.76-556,490.56

Finding the Fourth Proportional to 1,009,199.68, 1,392,665.76 and 556,490.56

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Solution

The fourth proportional to 1,009,199.68, 1,392,665.76 and 556,490.56 is: 767,940.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,199.68 : 1,392,665.76 = 556,490.56 : x
  2. Step 2: Convert to fraction form
    1,009,199.68/1,392,665.76 = 556,490.56/x
  3. Step 3: Cross multiply
    1,009,199.68x = 1,392,665.76 × 556,490.56
  4. Step 4: Simplify right side
    1,009,199.68x = 775,005,348,675.23
  5. Step 5: Solve for x
    x = 775,005,348,675.23/1,009,199.68
  6. Step 6: Final answer
    x = 767,940.54

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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.