Home / 1,207,265.10-1,811,140.65-354,335.10

Finding the Fourth Proportional to 1,207,265.10, 1,811,140.65 and 354,335.10

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Solution

The fourth proportional to 1,207,265.10, 1,811,140.65 and 354,335.10 is: 531,573.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,265.10 : 1,811,140.65 = 354,335.10 : x
  2. Step 2: Convert to fraction form
    1,207,265.10/1,811,140.65 = 354,335.10/x
  3. Step 3: Cross multiply
    1,207,265.10x = 1,811,140.65 × 354,335.10
  4. Step 4: Simplify right side
    1,207,265.10x = 641,750,703,331.82
  5. Step 5: Solve for x
    x = 641,750,703,331.82/1,207,265.10
  6. Step 6: Final answer
    x = 531,573.97

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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.