Home / 1,424,582.62-1,965,924.48-780,043.66

Finding the Fourth Proportional to 1,424,582.62, 1,965,924.48 and 780,043.66

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Solution

The fourth proportional to 1,424,582.62, 1,965,924.48 and 780,043.66 is: 1,076,460.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,582.62 : 1,965,924.48 = 780,043.66 : x
  2. Step 2: Convert to fraction form
    1,424,582.62/1,965,924.48 = 780,043.66/x
  3. Step 3: Cross multiply
    1,424,582.62x = 1,965,924.48 × 780,043.66
  4. Step 4: Simplify right side
    1,424,582.62x = 1,533,506,926,662.80
  5. Step 5: Solve for x
    x = 1,533,506,926,662.80/1,424,582.62
  6. Step 6: Final answer
    x = 1,076,460.51

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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.