Home / 1,678,053.70-2,517,080.55-480,015.10

Finding the Fourth Proportional to 1,678,053.70, 2,517,080.55 and 480,015.10

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Solution

The fourth proportional to 1,678,053.70, 2,517,080.55 and 480,015.10 is: 720,022.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,053.70 : 2,517,080.55 = 480,015.10 : x
  2. Step 2: Convert to fraction form
    1,678,053.70/2,517,080.55 = 480,015.10/x
  3. Step 3: Cross multiply
    1,678,053.70x = 2,517,080.55 × 480,015.10
  4. Step 4: Simplify right side
    1,678,053.70x = 1,208,236,671,916.31
  5. Step 5: Solve for x
    x = 1,208,236,671,916.31/1,678,053.70
  6. Step 6: Final answer
    x = 720,022.65

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Double scale
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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.