Home / 1,510,130.70-2,265,196.05-512,858.70

Finding the Fourth Proportional to 1,510,130.70, 2,265,196.05 and 512,858.70

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Solution

The fourth proportional to 1,510,130.70, 2,265,196.05 and 512,858.70 is: 769,288.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,130.70 : 2,265,196.05 = 512,858.70 : x
  2. Step 2: Convert to fraction form
    1,510,130.70/2,265,196.05 = 512,858.70/x
  3. Step 3: Cross multiply
    1,510,130.70x = 2,265,196.05 × 512,858.70
  4. Step 4: Simplify right side
    1,510,130.70x = 1,161,725,501,448.14
  5. Step 5: Solve for x
    x = 1,161,725,501,448.14/1,510,130.70
  6. Step 6: Final answer
    x = 769,288.05

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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.