Home / 1,790,138.88-2,470,401.92-974,340.59

Finding the Fourth Proportional to 1,790,138.88, 2,470,401.92 and 974,340.59

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Solution

The fourth proportional to 1,790,138.88, 2,470,401.92 and 974,340.59 is: 1,344,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,138.88 : 2,470,401.92 = 974,340.59 : x
  2. Step 2: Convert to fraction form
    1,790,138.88/2,470,401.92 = 974,340.59/x
  3. Step 3: Cross multiply
    1,790,138.88x = 2,470,401.92 × 974,340.59
  4. Step 4: Simplify right side
    1,790,138.88x = 2,407,012,854,353.77
  5. Step 5: Solve for x
    x = 2,407,012,854,353.77/1,790,138.88
  6. Step 6: Final answer
    x = 1,344,595.60

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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.