Home / 1,488,396.65-2,053,738.40-876,671.22

Finding the Fourth Proportional to 1,488,396.65, 2,053,738.40 and 876,671.22

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Solution

The fourth proportional to 1,488,396.65, 2,053,738.40 and 876,671.22 is: 1,209,659.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,396.65 : 2,053,738.40 = 876,671.22 : x
  2. Step 2: Convert to fraction form
    1,488,396.65/2,053,738.40 = 876,671.22/x
  3. Step 3: Cross multiply
    1,488,396.65x = 2,053,738.40 × 876,671.22
  4. Step 4: Simplify right side
    1,488,396.65x = 1,800,453,344,305.49
  5. Step 5: Solve for x
    x = 1,800,453,344,305.49/1,488,396.65
  6. Step 6: Final answer
    x = 1,209,659.63

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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.