Home / 1,156,494.60-1,732,992.30-978,035.40

Finding the Fourth Proportional to 1,156,494.60, 1,732,992.30 and 978,035.40

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Solution

The fourth proportional to 1,156,494.60, 1,732,992.30 and 978,035.40 is: 1,465,573.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,494.60 : 1,732,992.30 = 978,035.40 : x
  2. Step 2: Convert to fraction form
    1,156,494.60/1,732,992.30 = 978,035.40/x
  3. Step 3: Cross multiply
    1,156,494.60x = 1,732,992.30 × 978,035.40
  4. Step 4: Simplify right side
    1,156,494.60x = 1,694,927,817,327.42
  5. Step 5: Solve for x
    x = 1,694,927,817,327.42/1,156,494.60
  6. Step 6: Final answer
    x = 1,465,573.48

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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.