Home / 1,208,000.54-1,667,041.80-664,145.58

Finding the Fourth Proportional to 1,208,000.54, 1,667,041.80 and 664,145.58

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Solution

The fourth proportional to 1,208,000.54, 1,667,041.80 and 664,145.58 is: 916,521.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,000.54 : 1,667,041.80 = 664,145.58 : x
  2. Step 2: Convert to fraction form
    1,208,000.54/1,667,041.80 = 664,145.58/x
  3. Step 3: Cross multiply
    1,208,000.54x = 1,667,041.80 × 664,145.58
  4. Step 4: Simplify right side
    1,208,000.54x = 1,107,158,443,145.24
  5. Step 5: Solve for x
    x = 1,107,158,443,145.24/1,208,000.54
  6. Step 6: Final answer
    x = 916,521.48

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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.