Home / 1,134,128.80-1,701,423.60-386,250.40

Finding the Fourth Proportional to 1,134,128.80, 1,701,423.60 and 386,250.40

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Solution

The fourth proportional to 1,134,128.80, 1,701,423.60 and 386,250.40 is: 579,454.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,128.80 : 1,701,423.60 = 386,250.40 : x
  2. Step 2: Convert to fraction form
    1,134,128.80/1,701,423.60 = 386,250.40/x
  3. Step 3: Cross multiply
    1,134,128.80x = 1,701,423.60 × 386,250.40
  4. Step 4: Simplify right side
    1,134,128.80x = 657,175,546,069.44
  5. Step 5: Solve for x
    x = 657,175,546,069.44/1,134,128.80
  6. Step 6: Final answer
    x = 579,454.07

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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.