Home / 841,259.52-1,260,839.52-420,655.68

Finding the Fourth Proportional to 841,259.52, 1,260,839.52 and 420,655.68

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Solution

The fourth proportional to 841,259.52, 1,260,839.52 and 420,655.68 is: 630,458.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,259.52 : 1,260,839.52 = 420,655.68 : x
  2. Step 2: Convert to fraction form
    841,259.52/1,260,839.52 = 420,655.68/x
  3. Step 3: Cross multiply
    841,259.52x = 1,260,839.52 × 420,655.68
  4. Step 4: Simplify right side
    841,259.52x = 530,379,305,656.47
  5. Step 5: Solve for x
    x = 530,379,305,656.47/841,259.52
  6. Step 6: Final answer
    x = 630,458.61

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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.