Home / 896,978.60-1,346,098.40-811,221.47

Finding the Fourth Proportional to 896,978.60, 1,346,098.40 and 811,221.47

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Solution

The fourth proportional to 896,978.60, 1,346,098.40 and 811,221.47 is: 1,217,402.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,978.60 : 1,346,098.40 = 811,221.47 : x
  2. Step 2: Convert to fraction form
    896,978.60/1,346,098.40 = 811,221.47/x
  3. Step 3: Cross multiply
    896,978.60x = 1,346,098.40 × 811,221.47
  4. Step 4: Simplify right side
    896,978.60x = 1,091,983,912,026.05
  5. Step 5: Solve for x
    x = 1,091,983,912,026.05/896,978.60
  6. Step 6: Final answer
    x = 1,217,402.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.