Home / 1,117,860.60-1,676,661.30-319,265.40

Finding the Fourth Proportional to 1,117,860.60, 1,676,661.30 and 319,265.40

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Solution

The fourth proportional to 1,117,860.60, 1,676,661.30 and 319,265.40 is: 478,861.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,860.60 : 1,676,661.30 = 319,265.40 : x
  2. Step 2: Convert to fraction form
    1,117,860.60/1,676,661.30 = 319,265.40/x
  3. Step 3: Cross multiply
    1,117,860.60x = 1,676,661.30 × 319,265.40
  4. Step 4: Simplify right side
    1,117,860.60x = 535,299,940,609.02
  5. Step 5: Solve for x
    x = 535,299,940,609.02/1,117,860.60
  6. Step 6: Final answer
    x = 478,861.09

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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.