Home / 1,361,417.76-1,878,723.60-852,400.80

Finding the Fourth Proportional to 1,361,417.76, 1,878,723.60 and 852,400.80

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Solution

The fourth proportional to 1,361,417.76, 1,878,723.60 and 852,400.80 is: 1,176,292.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,417.76 : 1,878,723.60 = 852,400.80 : x
  2. Step 2: Convert to fraction form
    1,361,417.76/1,878,723.60 = 852,400.80/x
  3. Step 3: Cross multiply
    1,361,417.76x = 1,878,723.60 × 852,400.80
  4. Step 4: Simplify right side
    1,361,417.76x = 1,601,425,499,618.88
  5. Step 5: Solve for x
    x = 1,601,425,499,618.88/1,361,417.76
  6. Step 6: Final answer
    x = 1,176,292.50

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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.