Home / 1,070,331.80-1,604,720.10-438,920.60

Finding the Fourth Proportional to 1,070,331.80, 1,604,720.10 and 438,920.60

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Solution

The fourth proportional to 1,070,331.80, 1,604,720.10 and 438,920.60 is: 658,062.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,331.80 : 1,604,720.10 = 438,920.60 : x
  2. Step 2: Convert to fraction form
    1,070,331.80/1,604,720.10 = 438,920.60/x
  3. Step 3: Cross multiply
    1,070,331.80x = 1,604,720.10 × 438,920.60
  4. Step 4: Simplify right side
    1,070,331.80x = 704,344,709,124.06
  5. Step 5: Solve for x
    x = 704,344,709,124.06/1,070,331.80
  6. Step 6: Final answer
    x = 658,062.02

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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.