Home / 1,208,311.39-1,667,442.54-657,015.13

Finding the Fourth Proportional to 1,208,311.39, 1,667,442.54 and 657,015.13

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Solution

The fourth proportional to 1,208,311.39, 1,667,442.54 and 657,015.13 is: 906,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,311.39 : 1,667,442.54 = 657,015.13 : x
  2. Step 2: Convert to fraction form
    1,208,311.39/1,667,442.54 = 657,015.13/x
  3. Step 3: Cross multiply
    1,208,311.39x = 1,667,442.54 × 657,015.13
  4. Step 4: Simplify right side
    1,208,311.39x = 1,095,534,977,185.63
  5. Step 5: Solve for x
    x = 1,095,534,977,185.63/1,208,311.39
  6. Step 6: Final answer
    x = 906,666.10

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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.