Home / 1,340,491.60-2,010,931.80-441,780.40

Finding the Fourth Proportional to 1,340,491.60, 2,010,931.80 and 441,780.40

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Solution

The fourth proportional to 1,340,491.60, 2,010,931.80 and 441,780.40 is: 662,734.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,491.60 : 2,010,931.80 = 441,780.40 : x
  2. Step 2: Convert to fraction form
    1,340,491.60/2,010,931.80 = 441,780.40/x
  3. Step 3: Cross multiply
    1,340,491.60x = 2,010,931.80 × 441,780.40
  4. Step 4: Simplify right side
    1,340,491.60x = 888,390,254,976.72
  5. Step 5: Solve for x
    x = 888,390,254,976.72/1,340,491.60
  6. Step 6: Final answer
    x = 662,734.67

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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.