Home / 1,523,837.58-2,102,134.59-972,810.78

Finding the Fourth Proportional to 1,523,837.58, 2,102,134.59 and 972,810.78

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Solution

The fourth proportional to 1,523,837.58, 2,102,134.59 and 972,810.78 is: 1,341,992.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,837.58 : 2,102,134.59 = 972,810.78 : x
  2. Step 2: Convert to fraction form
    1,523,837.58/2,102,134.59 = 972,810.78/x
  3. Step 3: Cross multiply
    1,523,837.58x = 2,102,134.59 × 972,810.78
  4. Step 4: Simplify right side
    1,523,837.58x = 2,044,979,190,162.88
  5. Step 5: Solve for x
    x = 2,044,979,190,162.88/1,523,837.58
  6. Step 6: Final answer
    x = 1,341,992.88

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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.