Home / 1,018,112.36-1,526,428.10-478,090.37

Finding the Fourth Proportional to 1,018,112.36, 1,526,428.10 and 478,090.37

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Solution

The fourth proportional to 1,018,112.36, 1,526,428.10 and 478,090.37 is: 716,787.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,112.36 : 1,526,428.10 = 478,090.37 : x
  2. Step 2: Convert to fraction form
    1,018,112.36/1,526,428.10 = 478,090.37/x
  3. Step 3: Cross multiply
    1,018,112.36x = 1,526,428.10 × 478,090.37
  4. Step 4: Simplify right side
    1,018,112.36x = 729,770,581,429.12
  5. Step 5: Solve for x
    x = 729,770,581,429.12/1,018,112.36
  6. Step 6: Final answer
    x = 716,787.86

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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.