Home / 1,567,312.92-2,163,128.24-955,820.40

Finding the Fourth Proportional to 1,567,312.92, 2,163,128.24 and 955,820.40

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Solution

The fourth proportional to 1,567,312.92, 2,163,128.24 and 955,820.40 is: 1,319,176.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,312.92 : 2,163,128.24 = 955,820.40 : x
  2. Step 2: Convert to fraction form
    1,567,312.92/2,163,128.24 = 955,820.40/x
  3. Step 3: Cross multiply
    1,567,312.92x = 2,163,128.24 × 955,820.40
  4. Step 4: Simplify right side
    1,567,312.92x = 2,067,562,099,608.10
  5. Step 5: Solve for x
    x = 2,067,562,099,608.10/1,567,312.92
  6. Step 6: Final answer
    x = 1,319,176.33

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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.