Home / 1,500,910.28-2,071,257.05-812,582.32

Finding the Fourth Proportional to 1,500,910.28, 2,071,257.05 and 812,582.32

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Solution

The fourth proportional to 1,500,910.28, 2,071,257.05 and 812,582.32 is: 1,121,364.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,910.28 : 2,071,257.05 = 812,582.32 : x
  2. Step 2: Convert to fraction form
    1,500,910.28/2,071,257.05 = 812,582.32/x
  3. Step 3: Cross multiply
    1,500,910.28x = 2,071,257.05 × 812,582.32
  4. Step 4: Simplify right side
    1,500,910.28x = 1,683,066,844,586.16
  5. Step 5: Solve for x
    x = 1,683,066,844,586.16/1,500,910.28
  6. Step 6: Final answer
    x = 1,121,364.06

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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.