Home / 1,338,548.45-2,007,068.10-439,748.87

Finding the Fourth Proportional to 1,338,548.45, 2,007,068.10 and 439,748.87

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Solution

The fourth proportional to 1,338,548.45, 2,007,068.10 and 439,748.87 is: 659,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,548.45 : 2,007,068.10 = 439,748.87 : x
  2. Step 2: Convert to fraction form
    1,338,548.45/2,007,068.10 = 439,748.87/x
  3. Step 3: Cross multiply
    1,338,548.45x = 2,007,068.10 × 439,748.87
  4. Step 4: Simplify right side
    1,338,548.45x = 882,605,918,952.71
  5. Step 5: Solve for x
    x = 882,605,918,952.71/1,338,548.45
  6. Step 6: Final answer
    x = 659,375.40

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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.