Home / 1,639,915.32-2,262,856.86-914,678.04

Finding the Fourth Proportional to 1,639,915.32, 2,262,856.86 and 914,678.04

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Solution

The fourth proportional to 1,639,915.32, 2,262,856.86 and 914,678.04 is: 1,262,129.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,915.32 : 2,262,856.86 = 914,678.04 : x
  2. Step 2: Convert to fraction form
    1,639,915.32/2,262,856.86 = 914,678.04/x
  3. Step 3: Cross multiply
    1,639,915.32x = 2,262,856.86 × 914,678.04
  4. Step 4: Simplify right side
    1,639,915.32x = 2,069,785,477,505.35
  5. Step 5: Solve for x
    x = 2,069,785,477,505.35/1,639,915.32
  6. Step 6: Final answer
    x = 1,262,129.48

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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.