Home / 1,039,408.60-1,560,279.30-803,795.80

Finding the Fourth Proportional to 1,039,408.60, 1,560,279.30 and 803,795.80

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Solution

The fourth proportional to 1,039,408.60, 1,560,279.30 and 803,795.80 is: 1,206,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,408.60 : 1,560,279.30 = 803,795.80 : x
  2. Step 2: Convert to fraction form
    1,039,408.60/1,560,279.30 = 803,795.80/x
  3. Step 3: Cross multiply
    1,039,408.60x = 1,560,279.30 × 803,795.80
  4. Step 4: Simplify right side
    1,039,408.60x = 1,254,145,948,166.94
  5. Step 5: Solve for x
    x = 1,254,145,948,166.94/1,039,408.60
  6. Step 6: Final answer
    x = 1,206,595.70

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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.