Home / 1,449,740.70-2,174,611.05-384,890.40

Finding the Fourth Proportional to 1,449,740.70, 2,174,611.05 and 384,890.40

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Solution

The fourth proportional to 1,449,740.70, 2,174,611.05 and 384,890.40 is: 577,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,740.70 : 2,174,611.05 = 384,890.40 : x
  2. Step 2: Convert to fraction form
    1,449,740.70/2,174,611.05 = 384,890.40/x
  3. Step 3: Cross multiply
    1,449,740.70x = 2,174,611.05 × 384,890.40
  4. Step 4: Simplify right side
    1,449,740.70x = 836,986,916,878.92
  5. Step 5: Solve for x
    x = 836,986,916,878.92/1,449,740.70
  6. Step 6: Final answer
    x = 577,335.60

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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.