Home / 1,293,207.80-1,941,885.30-874,340.60

Finding the Fourth Proportional to 1,293,207.80, 1,941,885.30 and 874,340.60

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Solution

The fourth proportional to 1,293,207.80, 1,941,885.30 and 874,340.60 is: 1,312,912.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,207.80 : 1,941,885.30 = 874,340.60 : x
  2. Step 2: Convert to fraction form
    1,293,207.80/1,941,885.30 = 874,340.60/x
  3. Step 3: Cross multiply
    1,293,207.80x = 1,941,885.30 × 874,340.60
  4. Step 4: Simplify right side
    1,293,207.80x = 1,697,869,158,333.18
  5. Step 5: Solve for x
    x = 1,697,869,158,333.18/1,293,207.80
  6. Step 6: Final answer
    x = 1,312,912.87

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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.