Home / 1,291,298.28-1,780,930.44-1,146,210

Finding the Fourth Proportional to 1,291,298.28, 1,780,930.44 and 1,146,210

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Solution

The fourth proportional to 1,291,298.28, 1,780,930.44 and 1,146,210 is: 1,580,827.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,298.28 : 1,780,930.44 = 1,146,210 : x
  2. Step 2: Convert to fraction form
    1,291,298.28/1,780,930.44 = 1,146,210/x
  3. Step 3: Cross multiply
    1,291,298.28x = 1,780,930.44 × 1,146,210
  4. Step 4: Simplify right side
    1,291,298.28x = 2,041,320,279,632.40
  5. Step 5: Solve for x
    x = 2,041,320,279,632.40/1,291,298.28
  6. Step 6: Final answer
    x = 1,580,827.85

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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.