Home / 1,331,271.60-1,996,907.40-490,151.40

Finding the Fourth Proportional to 1,331,271.60, 1,996,907.40 and 490,151.40

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Solution

The fourth proportional to 1,331,271.60, 1,996,907.40 and 490,151.40 is: 735,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,271.60 : 1,996,907.40 = 490,151.40 : x
  2. Step 2: Convert to fraction form
    1,331,271.60/1,996,907.40 = 490,151.40/x
  3. Step 3: Cross multiply
    1,331,271.60x = 1,996,907.40 × 490,151.40
  4. Step 4: Simplify right side
    1,331,271.60x = 978,786,957,780.36
  5. Step 5: Solve for x
    x = 978,786,957,780.36/1,331,271.60
  6. Step 6: Final answer
    x = 735,227.10

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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.