Home / 917,673.21-1,374,956.40-561,944.28

Finding the Fourth Proportional to 917,673.21, 1,374,956.40 and 561,944.28

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Solution

The fourth proportional to 917,673.21, 1,374,956.40 and 561,944.28 is: 841,965.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,673.21 : 1,374,956.40 = 561,944.28 : x
  2. Step 2: Convert to fraction form
    917,673.21/1,374,956.40 = 561,944.28/x
  3. Step 3: Cross multiply
    917,673.21x = 1,374,956.40 × 561,944.28
  4. Step 4: Simplify right side
    917,673.21x = 772,648,884,229.39
  5. Step 5: Solve for x
    x = 772,648,884,229.39/917,673.21
  6. Step 6: Final answer
    x = 841,965.17

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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.