Home / 917,079.40-1,375,619.10-823,767.40

Finding the Fourth Proportional to 917,079.40, 1,375,619.10 and 823,767.40

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Solution

The fourth proportional to 917,079.40, 1,375,619.10 and 823,767.40 is: 1,235,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,079.40 : 1,375,619.10 = 823,767.40 : x
  2. Step 2: Convert to fraction form
    917,079.40/1,375,619.10 = 823,767.40/x
  3. Step 3: Cross multiply
    917,079.40x = 1,375,619.10 × 823,767.40
  4. Step 4: Simplify right side
    917,079.40x = 1,133,190,169,397.34
  5. Step 5: Solve for x
    x = 1,133,190,169,397.34/917,079.40
  6. Step 6: Final answer
    x = 1,235,651.10

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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.