Home / 1,090,857.60-1,636,378.56-343,117.44

Finding the Fourth Proportional to 1,090,857.60, 1,636,378.56 and 343,117.44

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Solution

The fourth proportional to 1,090,857.60, 1,636,378.56 and 343,117.44 is: 514,705.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,857.60 : 1,636,378.56 = 343,117.44 : x
  2. Step 2: Convert to fraction form
    1,090,857.60/1,636,378.56 = 343,117.44/x
  3. Step 3: Cross multiply
    1,090,857.60x = 1,636,378.56 × 343,117.44
  4. Step 4: Simplify right side
    1,090,857.60x = 561,470,022,378.09
  5. Step 5: Solve for x
    x = 561,470,022,378.09/1,090,857.60
  6. Step 6: Final answer
    x = 514,705.15

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1.5x scale

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.