Home / 1,207,142.36-1,666,001.27-723,973.31

Finding the Fourth Proportional to 1,207,142.36, 1,666,001.27 and 723,973.31

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Solution

The fourth proportional to 1,207,142.36, 1,666,001.27 and 723,973.31 is: 999,170.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,142.36 : 1,666,001.27 = 723,973.31 : x
  2. Step 2: Convert to fraction form
    1,207,142.36/1,666,001.27 = 723,973.31/x
  3. Step 3: Cross multiply
    1,207,142.36x = 1,666,001.27 × 723,973.31
  4. Step 4: Simplify right side
    1,207,142.36x = 1,206,140,453,633.54
  5. Step 5: Solve for x
    x = 1,206,140,453,633.54/1,207,142.36
  6. Step 6: Final answer
    x = 999,170.02

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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.