Home / 1,013,557.35-1,398,667.15-554,660.36

Finding the Fourth Proportional to 1,013,557.35, 1,398,667.15 and 554,660.36

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Solution

The fourth proportional to 1,013,557.35, 1,398,667.15 and 554,660.36 is: 765,408.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,557.35 : 1,398,667.15 = 554,660.36 : x
  2. Step 2: Convert to fraction form
    1,013,557.35/1,398,667.15 = 554,660.36/x
  3. Step 3: Cross multiply
    1,013,557.35x = 1,398,667.15 × 554,660.36
  4. Step 4: Simplify right side
    1,013,557.35x = 775,785,220,764.20
  5. Step 5: Solve for x
    x = 775,785,220,764.20/1,013,557.35
  6. Step 6: Final answer
    x = 765,408.31

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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.