Home / 1,515,746.76-2,091,732.39-836,683.26

Finding the Fourth Proportional to 1,515,746.76, 2,091,732.39 and 836,683.26

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Solution

The fourth proportional to 1,515,746.76, 2,091,732.39 and 836,683.26 is: 1,154,623.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,746.76 : 2,091,732.39 = 836,683.26 : x
  2. Step 2: Convert to fraction form
    1,515,746.76/2,091,732.39 = 836,683.26/x
  3. Step 3: Cross multiply
    1,515,746.76x = 2,091,732.39 × 836,683.26
  4. Step 4: Simplify right side
    1,515,746.76x = 1,750,117,475,112.79
  5. Step 5: Solve for x
    x = 1,750,117,475,112.79/1,515,746.76
  6. Step 6: Final answer
    x = 1,154,623.93

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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.