Home / 1,340,885.60-2,009,773.20-541,642.40

Finding the Fourth Proportional to 1,340,885.60, 2,009,773.20 and 541,642.40

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Solution

The fourth proportional to 1,340,885.60, 2,009,773.20 and 541,642.40 is: 811,835.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,885.60 : 2,009,773.20 = 541,642.40 : x
  2. Step 2: Convert to fraction form
    1,340,885.60/2,009,773.20 = 541,642.40/x
  3. Step 3: Cross multiply
    1,340,885.60x = 2,009,773.20 × 541,642.40
  4. Step 4: Simplify right side
    1,340,885.60x = 1,088,578,379,503.68
  5. Step 5: Solve for x
    x = 1,088,578,379,503.68/1,340,885.60
  6. Step 6: Final answer
    x = 811,835.39

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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.