Home / 1,452,979.79-2,178,056.64-694,624.78

Finding the Fourth Proportional to 1,452,979.79, 2,178,056.64 and 694,624.78

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Solution

The fourth proportional to 1,452,979.79, 2,178,056.64 and 694,624.78 is: 1,041,261.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,979.79 : 2,178,056.64 = 694,624.78 : x
  2. Step 2: Convert to fraction form
    1,452,979.79/2,178,056.64 = 694,624.78/x
  3. Step 3: Cross multiply
    1,452,979.79x = 2,178,056.64 × 694,624.78
  4. Step 4: Simplify right side
    1,452,979.79x = 1,512,932,115,807.69
  5. Step 5: Solve for x
    x = 1,512,932,115,807.69/1,452,979.79
  6. Step 6: Final answer
    x = 1,041,261.64

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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.