Home / 1,420,903.06-2,132,871.85-611,688.00

Finding the Fourth Proportional to 1,420,903.06, 2,132,871.85 and 611,688.00

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Solution

The fourth proportional to 1,420,903.06, 2,132,871.85 and 611,688.00 is: 918,185.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,903.06 : 2,132,871.85 = 611,688.00 : x
  2. Step 2: Convert to fraction form
    1,420,903.06/2,132,871.85 = 611,688.00/x
  3. Step 3: Cross multiply
    1,420,903.06x = 2,132,871.85 × 611,688.00
  4. Step 4: Simplify right side
    1,420,903.06x = 1,304,652,124,945.68
  5. Step 5: Solve for x
    x = 1,304,652,124,945.68/1,420,903.06
  6. Step 6: Final answer
    x = 918,185.17

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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.