Home / 1,120,053.60-1,680,086.46-278,605.35

Finding the Fourth Proportional to 1,120,053.60, 1,680,086.46 and 278,605.35

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Solution

The fourth proportional to 1,120,053.60, 1,680,086.46 and 278,605.35 is: 417,909.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,053.60 : 1,680,086.46 = 278,605.35 : x
  2. Step 2: Convert to fraction form
    1,120,053.60/1,680,086.46 = 278,605.35/x
  3. Step 3: Cross multiply
    1,120,053.60x = 1,680,086.46 × 278,605.35
  4. Step 4: Simplify right side
    1,120,053.60x = 468,081,076,218.56
  5. Step 5: Solve for x
    x = 468,081,076,218.56/1,120,053.60
  6. Step 6: Final answer
    x = 417,909.53

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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.