Home / 876,628.80-1,314,943.20-841,199.40

Finding the Fourth Proportional to 876,628.80, 1,314,943.20 and 841,199.40

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Solution

The fourth proportional to 876,628.80, 1,314,943.20 and 841,199.40 is: 1,261,799.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,628.80 : 1,314,943.20 = 841,199.40 : x
  2. Step 2: Convert to fraction form
    876,628.80/1,314,943.20 = 841,199.40/x
  3. Step 3: Cross multiply
    876,628.80x = 1,314,943.20 × 841,199.40
  4. Step 4: Simplify right side
    876,628.80x = 1,106,129,430,874.08
  5. Step 5: Solve for x
    x = 1,106,129,430,874.08/876,628.80
  6. Step 6: Final answer
    x = 1,261,799.10

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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.