Home / 1,397,030.40-2,092,780.80-834,393.60

Finding the Fourth Proportional to 1,397,030.40, 2,092,780.80 and 834,393.60

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Solution

The fourth proportional to 1,397,030.40, 2,092,780.80 and 834,393.60 is: 1,249,939.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,030.40 : 2,092,780.80 = 834,393.60 : x
  2. Step 2: Convert to fraction form
    1,397,030.40/2,092,780.80 = 834,393.60/x
  3. Step 3: Cross multiply
    1,397,030.40x = 2,092,780.80 × 834,393.60
  4. Step 4: Simplify right side
    1,397,030.40x = 1,746,202,905,722.88
  5. Step 5: Solve for x
    x = 1,746,202,905,722.88/1,397,030.40
  6. Step 6: Final answer
    x = 1,249,939.09

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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.