Home / 1,271,078.94-1,753,356.63-761,486.04

Finding the Fourth Proportional to 1,271,078.94, 1,753,356.63 and 761,486.04

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Solution

The fourth proportional to 1,271,078.94, 1,753,356.63 and 761,486.04 is: 1,050,412.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,078.94 : 1,753,356.63 = 761,486.04 : x
  2. Step 2: Convert to fraction form
    1,271,078.94/1,753,356.63 = 761,486.04/x
  3. Step 3: Cross multiply
    1,271,078.94x = 1,753,356.63 × 761,486.04
  4. Step 4: Simplify right side
    1,271,078.94x = 1,335,156,596,886.45
  5. Step 5: Solve for x
    x = 1,335,156,596,886.45/1,271,078.94
  6. Step 6: Final answer
    x = 1,050,412.02

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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.