Home / 1,071,454.40-1,608,088.80-440,820.80

Finding the Fourth Proportional to 1,071,454.40, 1,608,088.80 and 440,820.80

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Solution

The fourth proportional to 1,071,454.40, 1,608,088.80 and 440,820.80 is: 661,604.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,454.40 : 1,608,088.80 = 440,820.80 : x
  2. Step 2: Convert to fraction form
    1,071,454.40/1,608,088.80 = 440,820.80/x
  3. Step 3: Cross multiply
    1,071,454.40x = 1,608,088.80 × 440,820.80
  4. Step 4: Simplify right side
    1,071,454.40x = 708,878,991,287.04
  5. Step 5: Solve for x
    x = 708,878,991,287.04/1,071,454.40
  6. Step 6: Final answer
    x = 661,604.44

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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.