Home / 1,154,855.68-1,732,214.40-313,388.80

Finding the Fourth Proportional to 1,154,855.68, 1,732,214.40 and 313,388.80

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Solution

The fourth proportional to 1,154,855.68, 1,732,214.40 and 313,388.80 is: 470,064.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,855.68 : 1,732,214.40 = 313,388.80 : x
  2. Step 2: Convert to fraction form
    1,154,855.68/1,732,214.40 = 313,388.80/x
  3. Step 3: Cross multiply
    1,154,855.68x = 1,732,214.40 × 313,388.80
  4. Step 4: Simplify right side
    1,154,855.68x = 542,856,592,158.72
  5. Step 5: Solve for x
    x = 542,856,592,158.72/1,154,855.68
  6. Step 6: Final answer
    x = 470,064.44

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1.5x scale

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.