Home / 1,274,555.31-1,911,814.23-315,011.01

Finding the Fourth Proportional to 1,274,555.31, 1,911,814.23 and 315,011.01

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Solution

The fourth proportional to 1,274,555.31, 1,911,814.23 and 315,011.01 is: 472,511.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,555.31 : 1,911,814.23 = 315,011.01 : x
  2. Step 2: Convert to fraction form
    1,274,555.31/1,911,814.23 = 315,011.01/x
  3. Step 3: Cross multiply
    1,274,555.31x = 1,911,814.23 × 315,011.01
  4. Step 4: Simplify right side
    1,274,555.31x = 602,242,531,524.67
  5. Step 5: Solve for x
    x = 602,242,531,524.67/1,274,555.31
  6. Step 6: Final answer
    x = 472,511.88

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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.