Home / 906,992.70-1,359,176.85-401,139.60

Finding the Fourth Proportional to 906,992.70, 1,359,176.85 and 401,139.60

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Solution

The fourth proportional to 906,992.70, 1,359,176.85 and 401,139.60 is: 601,129.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,992.70 : 1,359,176.85 = 401,139.60 : x
  2. Step 2: Convert to fraction form
    906,992.70/1,359,176.85 = 401,139.60/x
  3. Step 3: Cross multiply
    906,992.70x = 1,359,176.85 × 401,139.60
  4. Step 4: Simplify right side
    906,992.70x = 545,219,657,938.26
  5. Step 5: Solve for x
    x = 545,219,657,938.26/906,992.70
  6. Step 6: Final answer
    x = 601,129.05

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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.