Home / 1,518,987.45-2,276,488.04-1,117,749.45

Finding the Fourth Proportional to 1,518,987.45, 2,276,488.04 and 1,117,749.45

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Solution

The fourth proportional to 1,518,987.45, 2,276,488.04 and 1,117,749.45 is: 1,675,157.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,987.45 : 2,276,488.04 = 1,117,749.45 : x
  2. Step 2: Convert to fraction form
    1,518,987.45/2,276,488.04 = 1,117,749.45/x
  3. Step 3: Cross multiply
    1,518,987.45x = 2,276,488.04 × 1,117,749.45
  4. Step 4: Simplify right side
    1,518,987.45x = 2,544,543,249,052.83
  5. Step 5: Solve for x
    x = 2,544,543,249,052.83/1,518,987.45
  6. Step 6: Final answer
    x = 1,675,157.52

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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.