Home / 1,355,901.28-1,871,172.35-744,048.69

Finding the Fourth Proportional to 1,355,901.28, 1,871,172.35 and 744,048.69

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Solution

The fourth proportional to 1,355,901.28, 1,871,172.35 and 744,048.69 is: 1,026,802.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,901.28 : 1,871,172.35 = 744,048.69 : x
  2. Step 2: Convert to fraction form
    1,355,901.28/1,871,172.35 = 744,048.69/x
  3. Step 3: Cross multiply
    1,355,901.28x = 1,871,172.35 × 744,048.69
  4. Step 4: Simplify right side
    1,355,901.28x = 1,392,243,335,781.72
  5. Step 5: Solve for x
    x = 1,392,243,335,781.72/1,355,901.28
  6. Step 6: Final answer
    x = 1,026,802.88

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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.