Home / 984,643.80-1,476,965.70-842,926.20

Finding the Fourth Proportional to 984,643.80, 1,476,965.70 and 842,926.20

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Solution

The fourth proportional to 984,643.80, 1,476,965.70 and 842,926.20 is: 1,264,389.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,643.80 : 1,476,965.70 = 842,926.20 : x
  2. Step 2: Convert to fraction form
    984,643.80/1,476,965.70 = 842,926.20/x
  3. Step 3: Cross multiply
    984,643.80x = 1,476,965.70 × 842,926.20
  4. Step 4: Simplify right side
    984,643.80x = 1,244,973,085,031.34
  5. Step 5: Solve for x
    x = 1,244,973,085,031.34/984,643.80
  6. Step 6: Final answer
    x = 1,264,389.30

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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.