Home / 1,293,158.80-1,941,811.80-874,291.60

Finding the Fourth Proportional to 1,293,158.80, 1,941,811.80 and 874,291.60

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Solution

The fourth proportional to 1,293,158.80, 1,941,811.80 and 874,291.60 is: 1,312,839.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,158.80 : 1,941,811.80 = 874,291.60 : x
  2. Step 2: Convert to fraction form
    1,293,158.80/1,941,811.80 = 874,291.60/x
  3. Step 3: Cross multiply
    1,293,158.80x = 1,941,811.80 × 874,291.60
  4. Step 4: Simplify right side
    1,293,158.80x = 1,697,709,745,520.88
  5. Step 5: Solve for x
    x = 1,697,709,745,520.88/1,293,158.80
  6. Step 6: Final answer
    x = 1,312,839.34

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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.