Home / 1,177,221.52-1,766,095.52-429,267.52

Finding the Fourth Proportional to 1,177,221.52, 1,766,095.52 and 429,267.52

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Solution

The fourth proportional to 1,177,221.52, 1,766,095.52 and 429,267.52 is: 643,997.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,221.52 : 1,766,095.52 = 429,267.52 : x
  2. Step 2: Convert to fraction form
    1,177,221.52/1,766,095.52 = 429,267.52/x
  3. Step 3: Cross multiply
    1,177,221.52x = 1,766,095.52 × 429,267.52
  4. Step 4: Simplify right side
    1,177,221.52x = 758,127,443,953.51
  5. Step 5: Solve for x
    x = 758,127,443,953.51/1,177,221.52
  6. Step 6: Final answer
    x = 643,997.27

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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.