Home / 1,071,319.44-1,478,416.80-587,892.72

Finding the Fourth Proportional to 1,071,319.44, 1,478,416.80 and 587,892.72

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Solution

The fourth proportional to 1,071,319.44, 1,478,416.80 and 587,892.72 is: 811,289.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,319.44 : 1,478,416.80 = 587,892.72 : x
  2. Step 2: Convert to fraction form
    1,071,319.44/1,478,416.80 = 587,892.72/x
  3. Step 3: Cross multiply
    1,071,319.44x = 1,478,416.80 × 587,892.72
  4. Step 4: Simplify right side
    1,071,319.44x = 869,150,473,845.70
  5. Step 5: Solve for x
    x = 869,150,473,845.70/1,071,319.44
  6. Step 6: Final answer
    x = 811,289.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.