Home / 1,071,291.96-1,478,378.80-587,865.20

Finding the Fourth Proportional to 1,071,291.96, 1,478,378.80 and 587,865.20

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Solution

The fourth proportional to 1,071,291.96, 1,478,378.80 and 587,865.20 is: 811,251.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,291.96 : 1,478,378.80 = 587,865.20 : x
  2. Step 2: Convert to fraction form
    1,071,291.96/1,478,378.80 = 587,865.20/x
  3. Step 3: Cross multiply
    1,071,291.96x = 1,478,378.80 × 587,865.20
  4. Step 4: Simplify right side
    1,071,291.96x = 869,087,448,937.76
  5. Step 5: Solve for x
    x = 869,087,448,937.76/1,071,291.96
  6. Step 6: Final answer
    x = 811,251.72

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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.