Home / 1,126,027.90-1,689,052.79-900,828.87

Finding the Fourth Proportional to 1,126,027.90, 1,689,052.79 and 900,828.87

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Solution

The fourth proportional to 1,126,027.90, 1,689,052.79 and 900,828.87 is: 1,351,252.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,027.90 : 1,689,052.79 = 900,828.87 : x
  2. Step 2: Convert to fraction form
    1,126,027.90/1,689,052.79 = 900,828.87/x
  3. Step 3: Cross multiply
    1,126,027.90x = 1,689,052.79 × 900,828.87
  4. Step 4: Simplify right side
    1,126,027.90x = 1,521,547,516,186.05
  5. Step 5: Solve for x
    x = 1,521,547,516,186.05/1,126,027.90
  6. Step 6: Final answer
    x = 1,351,252.06

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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.