Home / 1,116,022.08-1,540,150.32-686,219.18

Finding the Fourth Proportional to 1,116,022.08, 1,540,150.32 and 686,219.18

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Solution

The fourth proportional to 1,116,022.08, 1,540,150.32 and 686,219.18 is: 947,006.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,022.08 : 1,540,150.32 = 686,219.18 : x
  2. Step 2: Convert to fraction form
    1,116,022.08/1,540,150.32 = 686,219.18/x
  3. Step 3: Cross multiply
    1,116,022.08x = 1,540,150.32 × 686,219.18
  4. Step 4: Simplify right side
    1,116,022.08x = 1,056,880,681,966.39
  5. Step 5: Solve for x
    x = 1,056,880,681,966.39/1,116,022.08
  6. Step 6: Final answer
    x = 947,006.96

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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.