Home / 906,992.20-1,359,176.10-401,139.10

Finding the Fourth Proportional to 906,992.20, 1,359,176.10 and 401,139.10

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Solution

The fourth proportional to 906,992.20, 1,359,176.10 and 401,139.10 is: 601,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,992.20 : 1,359,176.10 = 401,139.10 : x
  2. Step 2: Convert to fraction form
    906,992.20/1,359,176.10 = 401,139.10/x
  3. Step 3: Cross multiply
    906,992.20x = 1,359,176.10 × 401,139.10
  4. Step 4: Simplify right side
    906,992.20x = 545,218,677,495.51
  5. Step 5: Solve for x
    x = 545,218,677,495.51/906,992.20
  6. Step 6: Final answer
    x = 601,128.30

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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.