Home / 1,339,613.68-1,848,624.20-766,641.56

Finding the Fourth Proportional to 1,339,613.68, 1,848,624.20 and 766,641.56

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Solution

The fourth proportional to 1,339,613.68, 1,848,624.20 and 766,641.56 is: 1,057,940.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,613.68 : 1,848,624.20 = 766,641.56 : x
  2. Step 2: Convert to fraction form
    1,339,613.68/1,848,624.20 = 766,641.56/x
  3. Step 3: Cross multiply
    1,339,613.68x = 1,848,624.20 × 766,641.56
  4. Step 4: Simplify right side
    1,339,613.68x = 1,417,232,140,541.75
  5. Step 5: Solve for x
    x = 1,417,232,140,541.75/1,339,613.68
  6. Step 6: Final answer
    x = 1,057,940.93

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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.