Home / 1,818,615.69-2,728,032.88-556,454.25

Finding the Fourth Proportional to 1,818,615.69, 2,728,032.88 and 556,454.25

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Solution

The fourth proportional to 1,818,615.69, 2,728,032.88 and 556,454.25 is: 834,714.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,615.69 : 2,728,032.88 = 556,454.25 : x
  2. Step 2: Convert to fraction form
    1,818,615.69/2,728,032.88 = 556,454.25/x
  3. Step 3: Cross multiply
    1,818,615.69x = 2,728,032.88 × 556,454.25
  4. Step 4: Simplify right side
    1,818,615.69x = 1,518,025,490,215.74
  5. Step 5: Solve for x
    x = 1,518,025,490,215.74/1,818,615.69
  6. Step 6: Final answer
    x = 834,714.83

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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.