Home / 1,488,064.86-2,052,772.45-972,120.76

Finding the Fourth Proportional to 1,488,064.86, 2,052,772.45 and 972,120.76

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Solution

The fourth proportional to 1,488,064.86, 2,052,772.45 and 972,120.76 is: 1,341,032.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,064.86 : 2,052,772.45 = 972,120.76 : x
  2. Step 2: Convert to fraction form
    1,488,064.86/2,052,772.45 = 972,120.76/x
  3. Step 3: Cross multiply
    1,488,064.86x = 2,052,772.45 × 972,120.76
  4. Step 4: Simplify right side
    1,488,064.86x = 1,995,542,714,201.06
  5. Step 5: Solve for x
    x = 1,995,542,714,201.06/1,488,064.86
  6. Step 6: Final answer
    x = 1,341,032.08

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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.