Home / 1,509,657.44-2,082,985.20-1,101,981.44

Finding the Fourth Proportional to 1,509,657.44, 2,082,985.20 and 1,101,981.44

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Solution

The fourth proportional to 1,509,657.44, 2,082,985.20 and 1,101,981.44 is: 1,520,484.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,657.44 : 2,082,985.20 = 1,101,981.44 : x
  2. Step 2: Convert to fraction form
    1,509,657.44/2,082,985.20 = 1,101,981.44/x
  3. Step 3: Cross multiply
    1,509,657.44x = 2,082,985.20 × 1,101,981.44
  4. Step 4: Simplify right side
    1,509,657.44x = 2,295,411,030,194.69
  5. Step 5: Solve for x
    x = 2,295,411,030,194.69/1,509,657.44
  6. Step 6: Final answer
    x = 1,520,484.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.