Home / 1,399,778.39-2,099,784.20-375,254.70

Finding the Fourth Proportional to 1,399,778.39, 2,099,784.20 and 375,254.70

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Solution

The fourth proportional to 1,399,778.39, 2,099,784.20 and 375,254.70 is: 562,913.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,778.39 : 2,099,784.20 = 375,254.70 : x
  2. Step 2: Convert to fraction form
    1,399,778.39/2,099,784.20 = 375,254.70/x
  3. Step 3: Cross multiply
    1,399,778.39x = 2,099,784.20 × 375,254.70
  4. Step 4: Simplify right side
    1,399,778.39x = 787,953,888,159.47
  5. Step 5: Solve for x
    x = 787,953,888,159.47/1,399,778.39
  6. Step 6: Final answer
    x = 562,913.31

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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.