Home / 1,355,931.36-1,871,220.48-744,110.88

Finding the Fourth Proportional to 1,355,931.36, 1,871,220.48 and 744,110.88

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Solution

The fourth proportional to 1,355,931.36, 1,871,220.48 and 744,110.88 is: 1,026,892.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,931.36 : 1,871,220.48 = 744,110.88 : x
  2. Step 2: Convert to fraction form
    1,355,931.36/1,871,220.48 = 744,110.88/x
  3. Step 3: Cross multiply
    1,355,931.36x = 1,871,220.48 × 744,110.88
  4. Step 4: Simplify right side
    1,355,931.36x = 1,392,395,518,046.82
  5. Step 5: Solve for x
    x = 1,392,395,518,046.82/1,355,931.36
  6. Step 6: Final answer
    x = 1,026,892.33

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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.