Home / 1,512,728.30-2,087,565.37-824,400.31

Finding the Fourth Proportional to 1,512,728.30, 2,087,565.37 and 824,400.31

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Solution

The fourth proportional to 1,512,728.30, 2,087,565.37 and 824,400.31 is: 1,137,672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,728.30 : 2,087,565.37 = 824,400.31 : x
  2. Step 2: Convert to fraction form
    1,512,728.30/2,087,565.37 = 824,400.31/x
  3. Step 3: Cross multiply
    1,512,728.30x = 2,087,565.37 × 824,400.31
  4. Step 4: Simplify right side
    1,512,728.30x = 1,720,989,530,893.35
  5. Step 5: Solve for x
    x = 1,720,989,530,893.35/1,512,728.30
  6. Step 6: Final answer
    x = 1,137,672.60

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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.