Home / 1,304,139.37-1,799,622.19-723,307.70

Finding the Fourth Proportional to 1,304,139.37, 1,799,622.19 and 723,307.70

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Solution

The fourth proportional to 1,304,139.37, 1,799,622.19 and 723,307.70 is: 998,114.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,139.37 : 1,799,622.19 = 723,307.70 : x
  2. Step 2: Convert to fraction form
    1,304,139.37/1,799,622.19 = 723,307.70/x
  3. Step 3: Cross multiply
    1,304,139.37x = 1,799,622.19 × 723,307.70
  4. Step 4: Simplify right side
    1,304,139.37x = 1,301,680,587,117.86
  5. Step 5: Solve for x
    x = 1,301,680,587,117.86/1,304,139.37
  6. Step 6: Final answer
    x = 998,114.64

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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.