Home / 1,110,707.46-1,666,125.80-312,051.31

Finding the Fourth Proportional to 1,110,707.46, 1,666,125.80 and 312,051.31

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Solution

The fourth proportional to 1,110,707.46, 1,666,125.80 and 312,051.31 is: 468,095.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,707.46 : 1,666,125.80 = 312,051.31 : x
  2. Step 2: Convert to fraction form
    1,110,707.46/1,666,125.80 = 312,051.31/x
  3. Step 3: Cross multiply
    1,110,707.46x = 1,666,125.80 × 312,051.31
  4. Step 4: Simplify right side
    1,110,707.46x = 519,916,738,514.80
  5. Step 5: Solve for x
    x = 519,916,738,514.80/1,110,707.46
  6. Step 6: Final answer
    x = 468,095.12

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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.