Home / 1,102,742.80-1,654,114.20-471,720.40

Finding the Fourth Proportional to 1,102,742.80, 1,654,114.20 and 471,720.40

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Solution

The fourth proportional to 1,102,742.80, 1,654,114.20 and 471,720.40 is: 707,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,742.80 : 1,654,114.20 = 471,720.40 : x
  2. Step 2: Convert to fraction form
    1,102,742.80/1,654,114.20 = 471,720.40/x
  3. Step 3: Cross multiply
    1,102,742.80x = 1,654,114.20 × 471,720.40
  4. Step 4: Simplify right side
    1,102,742.80x = 780,279,412,069.68
  5. Step 5: Solve for x
    x = 780,279,412,069.68/1,102,742.80
  6. Step 6: Final answer
    x = 707,580.60

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1.5x scale

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.