Home / 1,480,109.64-2,221,050.18-638,661.39

Finding the Fourth Proportional to 1,480,109.64, 2,221,050.18 and 638,661.39

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Solution

The fourth proportional to 1,480,109.64, 2,221,050.18 and 638,661.39 is: 958,374.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,109.64 : 2,221,050.18 = 638,661.39 : x
  2. Step 2: Convert to fraction form
    1,480,109.64/2,221,050.18 = 638,661.39/x
  3. Step 3: Cross multiply
    1,480,109.64x = 2,221,050.18 × 638,661.39
  4. Step 4: Simplify right side
    1,480,109.64x = 1,418,498,995,218.55
  5. Step 5: Solve for x
    x = 1,418,498,995,218.55/1,480,109.64
  6. Step 6: Final answer
    x = 958,374.27

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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.