Home / 1,279,045.48-1,765,088.40-706,090.36

Finding the Fourth Proportional to 1,279,045.48, 1,765,088.40 and 706,090.36

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Solution

The fourth proportional to 1,279,045.48, 1,765,088.40 and 706,090.36 is: 974,407.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,045.48 : 1,765,088.40 = 706,090.36 : x
  2. Step 2: Convert to fraction form
    1,279,045.48/1,765,088.40 = 706,090.36/x
  3. Step 3: Cross multiply
    1,279,045.48x = 1,765,088.40 × 706,090.36
  4. Step 4: Simplify right side
    1,279,045.48x = 1,246,311,903,787.82
  5. Step 5: Solve for x
    x = 1,246,311,903,787.82/1,279,045.48
  6. Step 6: Final answer
    x = 974,407.81

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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.