Home / 1,447,645.92-2,170,056.56-689,283.64

Finding the Fourth Proportional to 1,447,645.92, 2,170,056.56 and 689,283.64

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Solution

The fourth proportional to 1,447,645.92, 2,170,056.56 and 689,283.64 is: 1,033,253.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,645.92 : 2,170,056.56 = 689,283.64 : x
  2. Step 2: Convert to fraction form
    1,447,645.92/2,170,056.56 = 689,283.64/x
  3. Step 3: Cross multiply
    1,447,645.92x = 2,170,056.56 × 689,283.64
  4. Step 4: Simplify right side
    1,447,645.92x = 1,495,784,484,682.68
  5. Step 5: Solve for x
    x = 1,495,784,484,682.68/1,447,645.92
  6. Step 6: Final answer
    x = 1,033,253.00

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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.