Home / 972,006.30-1,458,009.45-545,103.90

Finding the Fourth Proportional to 972,006.30, 1,458,009.45 and 545,103.90

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Solution

The fourth proportional to 972,006.30, 1,458,009.45 and 545,103.90 is: 817,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,006.30 : 1,458,009.45 = 545,103.90 : x
  2. Step 2: Convert to fraction form
    972,006.30/1,458,009.45 = 545,103.90/x
  3. Step 3: Cross multiply
    972,006.30x = 1,458,009.45 × 545,103.90
  4. Step 4: Simplify right side
    972,006.30x = 794,766,637,431.86
  5. Step 5: Solve for x
    x = 794,766,637,431.86/972,006.30
  6. Step 6: Final answer
    x = 817,655.85

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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.