Home / 1,218,161.42-1,826,214.68-767,890.01

Finding the Fourth Proportional to 1,218,161.42, 1,826,214.68 and 767,890.01

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Solution

The fourth proportional to 1,218,161.42, 1,826,214.68 and 767,890.01 is: 1,151,187.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,161.42 : 1,826,214.68 = 767,890.01 : x
  2. Step 2: Convert to fraction form
    1,218,161.42/1,826,214.68 = 767,890.01/x
  3. Step 3: Cross multiply
    1,218,161.42x = 1,826,214.68 × 767,890.01
  4. Step 4: Simplify right side
    1,218,161.42x = 1,402,331,995,916.82
  5. Step 5: Solve for x
    x = 1,402,331,995,916.82/1,218,161.42
  6. Step 6: Final answer
    x = 1,151,187.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.