Home / 1,447,432.08-1,997,519.64-802,808.88

Finding the Fourth Proportional to 1,447,432.08, 1,997,519.64 and 802,808.88

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Solution

The fourth proportional to 1,447,432.08, 1,997,519.64 and 802,808.88 is: 1,107,911.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,432.08 : 1,997,519.64 = 802,808.88 : x
  2. Step 2: Convert to fraction form
    1,447,432.08/1,997,519.64 = 802,808.88/x
  3. Step 3: Cross multiply
    1,447,432.08x = 1,997,519.64 × 802,808.88
  4. Step 4: Simplify right side
    1,447,432.08x = 1,603,626,504,966.40
  5. Step 5: Solve for x
    x = 1,603,626,504,966.40/1,447,432.08
  6. Step 6: Final answer
    x = 1,107,911.40

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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.