Home / 1,689,697-2,331,207.78-964,023.40

Finding the Fourth Proportional to 1,689,697, 2,331,207.78 and 964,023.40

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Solution

The fourth proportional to 1,689,697, 2,331,207.78 and 964,023.40 is: 1,330,024.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,697 : 2,331,207.78 = 964,023.40 : x
  2. Step 2: Convert to fraction form
    1,689,697/2,331,207.78 = 964,023.40/x
  3. Step 3: Cross multiply
    1,689,697x = 2,331,207.78 × 964,023.40
  4. Step 4: Simplify right side
    1,689,697x = 2,247,338,850,182.05
  5. Step 5: Solve for x
    x = 2,247,338,850,182.05/1,689,697
  6. Step 6: Final answer
    x = 1,330,024.76

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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.