Home / 1,221,148.14-1,822,827.63-1,131,098.01

Finding the Fourth Proportional to 1,221,148.14, 1,822,827.63 and 1,131,098.01

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Solution

The fourth proportional to 1,221,148.14, 1,822,827.63 and 1,131,098.01 is: 1,688,408.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,148.14 : 1,822,827.63 = 1,131,098.01 : x
  2. Step 2: Convert to fraction form
    1,221,148.14/1,822,827.63 = 1,131,098.01/x
  3. Step 3: Cross multiply
    1,221,148.14x = 1,822,827.63 × 1,131,098.01
  4. Step 4: Simplify right side
    1,221,148.14x = 2,061,796,704,866.02
  5. Step 5: Solve for x
    x = 2,061,796,704,866.02/1,221,148.14
  6. Step 6: Final answer
    x = 1,688,408.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.