Home / 1,388,162.34-2,082,490.44-490,125.48

Finding the Fourth Proportional to 1,388,162.34, 2,082,490.44 and 490,125.48

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Solution

The fourth proportional to 1,388,162.34, 2,082,490.44 and 490,125.48 is: 735,275.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,162.34 : 2,082,490.44 = 490,125.48 : x
  2. Step 2: Convert to fraction form
    1,388,162.34/2,082,490.44 = 490,125.48/x
  3. Step 3: Cross multiply
    1,388,162.34x = 2,082,490.44 × 490,125.48
  4. Step 4: Simplify right side
    1,388,162.34x = 1,020,681,626,500.41
  5. Step 5: Solve for x
    x = 1,020,681,626,500.41/1,388,162.34
  6. Step 6: Final answer
    x = 735,275.40

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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.