Home / 1,340,854.63-2,011,343.87-442,374.89

Finding the Fourth Proportional to 1,340,854.63, 2,011,343.87 and 442,374.89

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Solution

The fourth proportional to 1,340,854.63, 2,011,343.87 and 442,374.89 is: 663,582.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,854.63 : 2,011,343.87 = 442,374.89 : x
  2. Step 2: Convert to fraction form
    1,340,854.63/2,011,343.87 = 442,374.89/x
  3. Step 3: Cross multiply
    1,340,854.63x = 2,011,343.87 × 442,374.89
  4. Step 4: Simplify right side
    1,340,854.63x = 889,768,014,292.64
  5. Step 5: Solve for x
    x = 889,768,014,292.64/1,340,854.63
  6. Step 6: Final answer
    x = 663,582.76

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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.