Home / 1,346,946.64-1,858,829.82-766,154.80

Finding the Fourth Proportional to 1,346,946.64, 1,858,829.82 and 766,154.80

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Solution

The fourth proportional to 1,346,946.64, 1,858,829.82 and 766,154.80 is: 1,057,318.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,946.64 : 1,858,829.82 = 766,154.80 : x
  2. Step 2: Convert to fraction form
    1,346,946.64/1,858,829.82 = 766,154.80/x
  3. Step 3: Cross multiply
    1,346,946.64x = 1,858,829.82 × 766,154.80
  4. Step 4: Simplify right side
    1,346,946.64x = 1,424,151,388,976.14
  5. Step 5: Solve for x
    x = 1,424,151,388,976.14/1,346,946.64
  6. Step 6: Final answer
    x = 1,057,318.34

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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.