Home / 1,304,678.64-1,800,469.08-731,706.60

Finding the Fourth Proportional to 1,304,678.64, 1,800,469.08 and 731,706.60

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Solution

The fourth proportional to 1,304,678.64, 1,800,469.08 and 731,706.60 is: 1,009,762.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,678.64 : 1,800,469.08 = 731,706.60 : x
  2. Step 2: Convert to fraction form
    1,304,678.64/1,800,469.08 = 731,706.60/x
  3. Step 3: Cross multiply
    1,304,678.64x = 1,800,469.08 × 731,706.60
  4. Step 4: Simplify right side
    1,304,678.64x = 1,317,415,108,931.93
  5. Step 5: Solve for x
    x = 1,317,415,108,931.93/1,304,678.64
  6. Step 6: Final answer
    x = 1,009,762.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.