Home / 1,167,280.74-1,751,708.70-457,220.16

Finding the Fourth Proportional to 1,167,280.74, 1,751,708.70 and 457,220.16

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Solution

The fourth proportional to 1,167,280.74, 1,751,708.70 and 457,220.16 is: 686,138.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,280.74 : 1,751,708.70 = 457,220.16 : x
  2. Step 2: Convert to fraction form
    1,167,280.74/1,751,708.70 = 457,220.16/x
  3. Step 3: Cross multiply
    1,167,280.74x = 1,751,708.70 × 457,220.16
  4. Step 4: Simplify right side
    1,167,280.74x = 800,916,532,087.39
  5. Step 5: Solve for x
    x = 800,916,532,087.39/1,167,280.74
  6. Step 6: Final answer
    x = 686,138.74

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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.