Home / 1,452,398.81-2,173,939.90-776,790.77

Finding the Fourth Proportional to 1,452,398.81, 2,173,939.90 and 776,790.77

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Solution

The fourth proportional to 1,452,398.81, 2,173,939.90 and 776,790.77 is: 1,162,694.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,398.81 : 2,173,939.90 = 776,790.77 : x
  2. Step 2: Convert to fraction form
    1,452,398.81/2,173,939.90 = 776,790.77/x
  3. Step 3: Cross multiply
    1,452,398.81x = 2,173,939.90 × 776,790.77
  4. Step 4: Simplify right side
    1,452,398.81x = 1,688,696,436,043.05
  5. Step 5: Solve for x
    x = 1,688,696,436,043.05/1,452,398.81
  6. Step 6: Final answer
    x = 1,162,694.73

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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.