Home / 1,526,009.34-2,106,079.30-881,428.80

Finding the Fourth Proportional to 1,526,009.34, 2,106,079.30 and 881,428.80

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Solution

The fourth proportional to 1,526,009.34, 2,106,079.30 and 881,428.80 is: 1,216,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,009.34 : 2,106,079.30 = 881,428.80 : x
  2. Step 2: Convert to fraction form
    1,526,009.34/2,106,079.30 = 881,428.80/x
  3. Step 3: Cross multiply
    1,526,009.34x = 2,106,079.30 × 881,428.80
  4. Step 4: Simplify right side
    1,526,009.34x = 1,856,358,950,103.84
  5. Step 5: Solve for x
    x = 1,856,358,950,103.84/1,526,009.34
  6. Step 6: Final answer
    x = 1,216,479.42

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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.