Home / 1,112,431.13-1,667,657.07-402,301.29

Finding the Fourth Proportional to 1,112,431.13, 1,667,657.07 and 402,301.29

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Solution

The fourth proportional to 1,112,431.13, 1,667,657.07 and 402,301.29 is: 603,094.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,431.13 : 1,667,657.07 = 402,301.29 : x
  2. Step 2: Convert to fraction form
    1,112,431.13/1,667,657.07 = 402,301.29/x
  3. Step 3: Cross multiply
    1,112,431.13x = 1,667,657.07 × 402,301.29
  4. Step 4: Simplify right side
    1,112,431.13x = 670,900,590,538.62
  5. Step 5: Solve for x
    x = 670,900,590,538.62/1,112,431.13
  6. Step 6: Final answer
    x = 603,094.05

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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.