Home / 1,008,037.70-1,512,056.55-609,128.90

Finding the Fourth Proportional to 1,008,037.70, 1,512,056.55 and 609,128.90

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Solution

The fourth proportional to 1,008,037.70, 1,512,056.55 and 609,128.90 is: 913,693.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,037.70 : 1,512,056.55 = 609,128.90 : x
  2. Step 2: Convert to fraction form
    1,008,037.70/1,512,056.55 = 609,128.90/x
  3. Step 3: Cross multiply
    1,008,037.70x = 1,512,056.55 × 609,128.90
  4. Step 4: Simplify right side
    1,008,037.70x = 921,037,343,039.30
  5. Step 5: Solve for x
    x = 921,037,343,039.30/1,008,037.70
  6. Step 6: Final answer
    x = 913,693.35

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Double scale
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Similar ratio
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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.