Home / 1,120,056.48-1,680,090.80-278,608.24

Finding the Fourth Proportional to 1,120,056.48, 1,680,090.80 and 278,608.24

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Solution

The fourth proportional to 1,120,056.48, 1,680,090.80 and 278,608.24 is: 417,913.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,056.48 : 1,680,090.80 = 278,608.24 : x
  2. Step 2: Convert to fraction form
    1,120,056.48/1,680,090.80 = 278,608.24/x
  3. Step 3: Cross multiply
    1,120,056.48x = 1,680,090.80 × 278,608.24
  4. Step 4: Simplify right side
    1,120,056.48x = 468,087,140,828.19
  5. Step 5: Solve for x
    x = 468,087,140,828.19/1,120,056.48
  6. Step 6: Final answer
    x = 417,913.87

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Similar ratio
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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.