Home / 1,109,356.80-1,531,461.12-701,817.60

Finding the Fourth Proportional to 1,109,356.80, 1,531,461.12 and 701,817.60

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Solution

The fourth proportional to 1,109,356.80, 1,531,461.12 and 701,817.60 is: 968,855.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,356.80 : 1,531,461.12 = 701,817.60 : x
  2. Step 2: Convert to fraction form
    1,109,356.80/1,531,461.12 = 701,817.60/x
  3. Step 3: Cross multiply
    1,109,356.80x = 1,531,461.12 × 701,817.60
  4. Step 4: Simplify right side
    1,109,356.80x = 1,074,806,367,731.71
  5. Step 5: Solve for x
    x = 1,074,806,367,731.71/1,109,356.80
  6. Step 6: Final answer
    x = 968,855.44

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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.