Home / 1,018,009.92-1,404,982.56-615,600.96

Finding the Fourth Proportional to 1,018,009.92, 1,404,982.56 and 615,600.96

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Solution

The fourth proportional to 1,018,009.92, 1,404,982.56 and 615,600.96 is: 849,607.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,009.92 : 1,404,982.56 = 615,600.96 : x
  2. Step 2: Convert to fraction form
    1,018,009.92/1,404,982.56 = 615,600.96/x
  3. Step 3: Cross multiply
    1,018,009.92x = 1,404,982.56 × 615,600.96
  4. Step 4: Simplify right side
    1,018,009.92x = 864,908,612,719.26
  5. Step 5: Solve for x
    x = 864,908,612,719.26/1,018,009.92
  6. Step 6: Final answer
    x = 849,607.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.