Home / 1,369,332.12-1,889,041.62-886,053.30

Finding the Fourth Proportional to 1,369,332.12, 1,889,041.62 and 886,053.30

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Solution

The fourth proportional to 1,369,332.12, 1,889,041.62 and 886,053.30 is: 1,222,341.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,332.12 : 1,889,041.62 = 886,053.30 : x
  2. Step 2: Convert to fraction form
    1,369,332.12/1,889,041.62 = 886,053.30/x
  3. Step 3: Cross multiply
    1,369,332.12x = 1,889,041.62 × 886,053.30
  4. Step 4: Simplify right side
    1,369,332.12x = 1,673,791,561,238.35
  5. Step 5: Solve for x
    x = 1,673,791,561,238.35/1,369,332.12
  6. Step 6: Final answer
    x = 1,222,341.56

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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.