Home / 1,287,031.04-1,776,103.04-714,069.84

Finding the Fourth Proportional to 1,287,031.04, 1,776,103.04 and 714,069.84

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Solution

The fourth proportional to 1,287,031.04, 1,776,103.04 and 714,069.84 is: 985,416.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,031.04 : 1,776,103.04 = 714,069.84 : x
  2. Step 2: Convert to fraction form
    1,287,031.04/1,776,103.04 = 714,069.84/x
  3. Step 3: Cross multiply
    1,287,031.04x = 1,776,103.04 × 714,069.84
  4. Step 4: Simplify right side
    1,287,031.04x = 1,268,261,613,596.31
  5. Step 5: Solve for x
    x = 1,268,261,613,596.31/1,287,031.04
  6. Step 6: Final answer
    x = 985,416.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.