Home / 1,918,671.35-2,876,488.74-720,460.22

Finding the Fourth Proportional to 1,918,671.35, 2,876,488.74 and 720,460.22

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Solution

The fourth proportional to 1,918,671.35, 2,876,488.74 and 720,460.22 is: 1,080,120.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,671.35 : 2,876,488.74 = 720,460.22 : x
  2. Step 2: Convert to fraction form
    1,918,671.35/2,876,488.74 = 720,460.22/x
  3. Step 3: Cross multiply
    1,918,671.35x = 2,876,488.74 × 720,460.22
  4. Step 4: Simplify right side
    1,918,671.35x = 2,072,395,696,065.48
  5. Step 5: Solve for x
    x = 2,072,395,696,065.48/1,918,671.35
  6. Step 6: Final answer
    x = 1,080,120.21

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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.