Home / 1,207,907.80-1,811,861.70-497,570.20

Finding the Fourth Proportional to 1,207,907.80, 1,811,861.70 and 497,570.20

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Solution

The fourth proportional to 1,207,907.80, 1,811,861.70 and 497,570.20 is: 746,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,907.80 : 1,811,861.70 = 497,570.20 : x
  2. Step 2: Convert to fraction form
    1,207,907.80/1,811,861.70 = 497,570.20/x
  3. Step 3: Cross multiply
    1,207,907.80x = 1,811,861.70 × 497,570.20
  4. Step 4: Simplify right side
    1,207,907.80x = 901,528,388,441.34
  5. Step 5: Solve for x
    x = 901,528,388,441.34/1,207,907.80
  6. Step 6: Final answer
    x = 746,355.30

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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.