Home / 1,071,346.76-1,478,480.82-587,883.68

Finding the Fourth Proportional to 1,071,346.76, 1,478,480.82 and 587,883.68

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Solution

The fourth proportional to 1,071,346.76, 1,478,480.82 and 587,883.68 is: 811,291.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,346.76 : 1,478,480.82 = 587,883.68 : x
  2. Step 2: Convert to fraction form
    1,071,346.76/1,478,480.82 = 587,883.68/x
  3. Step 3: Cross multiply
    1,071,346.76x = 1,478,480.82 × 587,883.68
  4. Step 4: Simplify right side
    1,071,346.76x = 869,174,745,271.02
  5. Step 5: Solve for x
    x = 869,174,745,271.02/1,071,346.76
  6. Step 6: Final answer
    x = 811,291.71

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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.