Home / 1,087,013.35-1,628,551.73-929,549.35

Finding the Fourth Proportional to 1,087,013.35, 1,628,551.73 and 929,549.35

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Solution

The fourth proportional to 1,087,013.35, 1,628,551.73 and 929,549.35 is: 1,392,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,013.35 : 1,628,551.73 = 929,549.35 : x
  2. Step 2: Convert to fraction form
    1,087,013.35/1,628,551.73 = 929,549.35/x
  3. Step 3: Cross multiply
    1,087,013.35x = 1,628,551.73 × 929,549.35
  4. Step 4: Simplify right side
    1,087,013.35x = 1,513,819,197,415.13
  5. Step 5: Solve for x
    x = 1,513,819,197,415.13/1,087,013.35
  6. Step 6: Final answer
    x = 1,392,640.85

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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.