Home / 1,338,335.60-2,007,697.80-439,624.40

Finding the Fourth Proportional to 1,338,335.60, 2,007,697.80 and 439,624.40

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Solution

The fourth proportional to 1,338,335.60, 2,007,697.80 and 439,624.40 is: 659,500.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,335.60 : 2,007,697.80 = 439,624.40 : x
  2. Step 2: Convert to fraction form
    1,338,335.60/2,007,697.80 = 439,624.40/x
  3. Step 3: Cross multiply
    1,338,335.60x = 2,007,697.80 × 439,624.40
  4. Step 4: Simplify right side
    1,338,335.60x = 882,632,940,706.32
  5. Step 5: Solve for x
    x = 882,632,940,706.32/1,338,335.60
  6. Step 6: Final answer
    x = 659,500.46

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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.