Home / 849,167.20-1,274,787.60-842,946.40

Finding the Fourth Proportional to 849,167.20, 1,274,787.60 and 842,946.40

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Solution

The fourth proportional to 849,167.20, 1,274,787.60 and 842,946.40 is: 1,265,448.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,167.20 : 1,274,787.60 = 842,946.40 : x
  2. Step 2: Convert to fraction form
    849,167.20/1,274,787.60 = 842,946.40/x
  3. Step 3: Cross multiply
    849,167.20x = 1,274,787.60 × 842,946.40
  4. Step 4: Simplify right side
    849,167.20x = 1,074,577,618,184.64
  5. Step 5: Solve for x
    x = 1,074,577,618,184.64/849,167.20
  6. Step 6: Final answer
    x = 1,265,448.80

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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.