Home / 1,097,263.52-1,515,082.64-842,210.72

Finding the Fourth Proportional to 1,097,263.52, 1,515,082.64 and 842,210.72

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Solution

The fourth proportional to 1,097,263.52, 1,515,082.64 and 842,210.72 is: 1,162,910.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,263.52 : 1,515,082.64 = 842,210.72 : x
  2. Step 2: Convert to fraction form
    1,097,263.52/1,515,082.64 = 842,210.72/x
  3. Step 3: Cross multiply
    1,097,263.52x = 1,515,082.64 × 842,210.72
  4. Step 4: Simplify right side
    1,097,263.52x = 1,276,018,841,093.90
  5. Step 5: Solve for x
    x = 1,276,018,841,093.90/1,097,263.52
  6. Step 6: Final answer
    x = 1,162,910.11

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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.