Home / 1,107,885.36-1,662,108.40-309,166.80

Finding the Fourth Proportional to 1,107,885.36, 1,662,108.40 and 309,166.80

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Solution

The fourth proportional to 1,107,885.36, 1,662,108.40 and 309,166.80 is: 463,828.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,885.36 : 1,662,108.40 = 309,166.80 : x
  2. Step 2: Convert to fraction form
    1,107,885.36/1,662,108.40 = 309,166.80/x
  3. Step 3: Cross multiply
    1,107,885.36x = 1,662,108.40 × 309,166.80
  4. Step 4: Simplify right side
    1,107,885.36x = 513,868,735,281.12
  5. Step 5: Solve for x
    x = 513,868,735,281.12/1,107,885.36
  6. Step 6: Final answer
    x = 463,828.44

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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.