Home / 1,426,480.65-2,140,043.86-819,549.17

Finding the Fourth Proportional to 1,426,480.65, 2,140,043.86 and 819,549.17

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Solution

The fourth proportional to 1,426,480.65, 2,140,043.86 and 819,549.17 is: 1,229,509.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,480.65 : 2,140,043.86 = 819,549.17 : x
  2. Step 2: Convert to fraction form
    1,426,480.65/2,140,043.86 = 819,549.17/x
  3. Step 3: Cross multiply
    1,426,480.65x = 2,140,043.86 × 819,549.17
  4. Step 4: Simplify right side
    1,426,480.65x = 1,753,871,167,575.98
  5. Step 5: Solve for x
    x = 1,753,871,167,575.98/1,426,480.65
  6. Step 6: Final answer
    x = 1,229,509.26

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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.