Home / 1,207,965.80-1,811,948.70-497,628.20

Finding the Fourth Proportional to 1,207,965.80, 1,811,948.70 and 497,628.20

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Solution

The fourth proportional to 1,207,965.80, 1,811,948.70 and 497,628.20 is: 746,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,965.80 : 1,811,948.70 = 497,628.20 : x
  2. Step 2: Convert to fraction form
    1,207,965.80/1,811,948.70 = 497,628.20/x
  3. Step 3: Cross multiply
    1,207,965.80x = 1,811,948.70 × 497,628.20
  4. Step 4: Simplify right side
    1,207,965.80x = 901,676,770,073.34
  5. Step 5: Solve for x
    x = 901,676,770,073.34/1,207,965.80
  6. Step 6: Final answer
    x = 746,442.30

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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.