Home / 1,207,355.80-1,808,960.10-574,907.80

Finding the Fourth Proportional to 1,207,355.80, 1,808,960.10 and 574,907.80

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Solution

The fourth proportional to 1,207,355.80, 1,808,960.10 and 574,907.80 is: 861,374.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,355.80 : 1,808,960.10 = 574,907.80 : x
  2. Step 2: Convert to fraction form
    1,207,355.80/1,808,960.10 = 574,907.80/x
  3. Step 3: Cross multiply
    1,207,355.80x = 1,808,960.10 × 574,907.80
  4. Step 4: Simplify right side
    1,207,355.80x = 1,039,985,271,378.78
  5. Step 5: Solve for x
    x = 1,039,985,271,378.78/1,207,355.80
  6. Step 6: Final answer
    x = 861,374.31

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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.