Home / 1,518,980.20-2,276,477.16-1,117,742.20

Finding the Fourth Proportional to 1,518,980.20, 2,276,477.16 and 1,117,742.20

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Solution

The fourth proportional to 1,518,980.20, 2,276,477.16 and 1,117,742.20 is: 1,675,146.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,980.20 : 2,276,477.16 = 1,117,742.20 : x
  2. Step 2: Convert to fraction form
    1,518,980.20/2,276,477.16 = 1,117,742.20/x
  3. Step 3: Cross multiply
    1,518,980.20x = 2,276,477.16 × 1,117,742.20
  4. Step 4: Simplify right side
    1,518,980.20x = 2,544,514,589,068.15
  5. Step 5: Solve for x
    x = 2,544,514,589,068.15/1,518,980.20
  6. Step 6: Final answer
    x = 1,675,146.65

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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.