Home / 1,338,546.47-2,007,065.16-439,746.89

Finding the Fourth Proportional to 1,338,546.47, 2,007,065.16 and 439,746.89

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Solution

The fourth proportional to 1,338,546.47, 2,007,065.16 and 439,746.89 is: 659,372.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,546.47 : 2,007,065.16 = 439,746.89 : x
  2. Step 2: Convert to fraction form
    1,338,546.47/2,007,065.16 = 439,746.89/x
  3. Step 3: Cross multiply
    1,338,546.47x = 2,007,065.16 × 439,746.89
  4. Step 4: Simplify right side
    1,338,546.47x = 882,600,662,137.35
  5. Step 5: Solve for x
    x = 882,600,662,137.35/1,338,546.47
  6. Step 6: Final answer
    x = 659,372.45

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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.