Home / 1,790,470.20-2,470,841.80-974,719.20

Finding the Fourth Proportional to 1,790,470.20, 2,470,841.80 and 974,719.20

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Solution

The fourth proportional to 1,790,470.20, 2,470,841.80 and 974,719.20 is: 1,345,108.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,470.20 : 2,470,841.80 = 974,719.20 : x
  2. Step 2: Convert to fraction form
    1,790,470.20/2,470,841.80 = 974,719.20/x
  3. Step 3: Cross multiply
    1,790,470.20x = 2,470,841.80 × 974,719.20
  4. Step 4: Simplify right side
    1,790,470.20x = 2,408,376,942,622.56
  5. Step 5: Solve for x
    x = 2,408,376,942,622.56/1,790,470.20
  6. Step 6: Final answer
    x = 1,345,108.64

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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.