Home / 1,505,171.20-2,077,151.47-816,849.01

Finding the Fourth Proportional to 1,505,171.20, 2,077,151.47 and 816,849.01

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Solution

The fourth proportional to 1,505,171.20, 2,077,151.47 and 816,849.01 is: 1,127,259.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,171.20 : 2,077,151.47 = 816,849.01 : x
  2. Step 2: Convert to fraction form
    1,505,171.20/2,077,151.47 = 816,849.01/x
  3. Step 3: Cross multiply
    1,505,171.20x = 2,077,151.47 × 816,849.01
  4. Step 4: Simplify right side
    1,505,171.20x = 1,696,719,116,696.67
  5. Step 5: Solve for x
    x = 1,696,719,116,696.67/1,505,171.20
  6. Step 6: Final answer
    x = 1,127,259.89

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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.