Home / 1,114,280.14-1,534,263.57-870,250.63

Finding the Fourth Proportional to 1,114,280.14, 1,534,263.57 and 870,250.63

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Solution

The fourth proportional to 1,114,280.14, 1,534,263.57 and 870,250.63 is: 1,198,256.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,280.14 : 1,534,263.57 = 870,250.63 : x
  2. Step 2: Convert to fraction form
    1,114,280.14/1,534,263.57 = 870,250.63/x
  3. Step 3: Cross multiply
    1,114,280.14x = 1,534,263.57 × 870,250.63
  4. Step 4: Simplify right side
    1,114,280.14x = 1,335,193,838,378.55
  5. Step 5: Solve for x
    x = 1,335,193,838,378.55/1,114,280.14
  6. Step 6: Final answer
    x = 1,198,256.87

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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.