Home / 1,110,402-1,665,602.79-605,387.65

Finding the Fourth Proportional to 1,110,402, 1,665,602.79 and 605,387.65

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Solution

The fourth proportional to 1,110,402, 1,665,602.79 and 605,387.65 is: 908,081.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,402 : 1,665,602.79 = 605,387.65 : x
  2. Step 2: Convert to fraction form
    1,110,402/1,665,602.79 = 605,387.65/x
  3. Step 3: Cross multiply
    1,110,402x = 1,665,602.79 × 605,387.65
  4. Step 4: Simplify right side
    1,110,402x = 1,008,335,358,871.54
  5. Step 5: Solve for x
    x = 1,008,335,358,871.54/1,110,402
  6. Step 6: Final answer
    x = 908,081.36

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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.