Home / 1,683,972.64-2,323,915.68-920,073.52

Finding the Fourth Proportional to 1,683,972.64, 2,323,915.68 and 920,073.52

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Solution

The fourth proportional to 1,683,972.64, 2,323,915.68 and 920,073.52 is: 1,269,719.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,972.64 : 2,323,915.68 = 920,073.52 : x
  2. Step 2: Convert to fraction form
    1,683,972.64/2,323,915.68 = 920,073.52/x
  3. Step 3: Cross multiply
    1,683,972.64x = 2,323,915.68 × 920,073.52
  4. Step 4: Simplify right side
    1,683,972.64x = 2,138,173,279,880.79
  5. Step 5: Solve for x
    x = 2,138,173,279,880.79/1,683,972.64
  6. Step 6: Final answer
    x = 1,269,719.73

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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.