Home / 1,440,077.80-2,160,116.70-442,805.80

Finding the Fourth Proportional to 1,440,077.80, 2,160,116.70 and 442,805.80

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Solution

The fourth proportional to 1,440,077.80, 2,160,116.70 and 442,805.80 is: 664,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,077.80 : 2,160,116.70 = 442,805.80 : x
  2. Step 2: Convert to fraction form
    1,440,077.80/2,160,116.70 = 442,805.80/x
  3. Step 3: Cross multiply
    1,440,077.80x = 2,160,116.70 × 442,805.80
  4. Step 4: Simplify right side
    1,440,077.80x = 956,512,203,436.86
  5. Step 5: Solve for x
    x = 956,512,203,436.86/1,440,077.80
  6. Step 6: Final answer
    x = 664,208.70

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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.