Home / 1,538,909.61-2,308,255.06-473,840.61

Finding the Fourth Proportional to 1,538,909.61, 2,308,255.06 and 473,840.61

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Solution

The fourth proportional to 1,538,909.61, 2,308,255.06 and 473,840.61 is: 710,727.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,909.61 : 2,308,255.06 = 473,840.61 : x
  2. Step 2: Convert to fraction form
    1,538,909.61/2,308,255.06 = 473,840.61/x
  3. Step 3: Cross multiply
    1,538,909.61x = 2,308,255.06 × 473,840.61
  4. Step 4: Simplify right side
    1,538,909.61x = 1,093,744,985,665.99
  5. Step 5: Solve for x
    x = 1,093,744,985,665.99/1,538,909.61
  6. Step 6: Final answer
    x = 710,727.24

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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.