Home / 851,326.43-1,276,989.63-808,756.47

Finding the Fourth Proportional to 851,326.43, 1,276,989.63 and 808,756.47

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Solution

The fourth proportional to 851,326.43, 1,276,989.63 and 808,756.47 is: 1,213,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,326.43 : 1,276,989.63 = 808,756.47 : x
  2. Step 2: Convert to fraction form
    851,326.43/1,276,989.63 = 808,756.47/x
  3. Step 3: Cross multiply
    851,326.43x = 1,276,989.63 × 808,756.47
  4. Step 4: Simplify right side
    851,326.43x = 1,032,773,625,385.41
  5. Step 5: Solve for x
    x = 1,032,773,625,385.41/851,326.43
  6. Step 6: Final answer
    x = 1,213,134.70

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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.