Home / 1,450,316.65-2,001,319.82-838,508.85

Finding the Fourth Proportional to 1,450,316.65, 2,001,319.82 and 838,508.85

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Solution

The fourth proportional to 1,450,316.65, 2,001,319.82 and 838,508.85 is: 1,157,074.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,316.65 : 2,001,319.82 = 838,508.85 : x
  2. Step 2: Convert to fraction form
    1,450,316.65/2,001,319.82 = 838,508.85/x
  3. Step 3: Cross multiply
    1,450,316.65x = 2,001,319.82 × 838,508.85
  4. Step 4: Simplify right side
    1,450,316.65x = 1,678,124,379,576.45
  5. Step 5: Solve for x
    x = 1,678,124,379,576.45/1,450,316.65
  6. Step 6: Final answer
    x = 1,157,074.47

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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.