Home / 1,158,828.60-1,736,169.30-947,321.40

Finding the Fourth Proportional to 1,158,828.60, 1,736,169.30 and 947,321.40

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Solution

The fourth proportional to 1,158,828.60, 1,736,169.30 and 947,321.40 is: 1,419,286.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,828.60 : 1,736,169.30 = 947,321.40 : x
  2. Step 2: Convert to fraction form
    1,158,828.60/1,736,169.30 = 947,321.40/x
  3. Step 3: Cross multiply
    1,158,828.60x = 1,736,169.30 × 947,321.40
  4. Step 4: Simplify right side
    1,158,828.60x = 1,644,710,331,913.02
  5. Step 5: Solve for x
    x = 1,644,710,331,913.02/1,158,828.60
  6. Step 6: Final answer
    x = 1,419,286.97

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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.