Home / 1,010,641.70-1,515,962.55-505,280.68

Finding the Fourth Proportional to 1,010,641.70, 1,515,962.55 and 505,280.68

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Solution

The fourth proportional to 1,010,641.70, 1,515,962.55 and 505,280.68 is: 757,921.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,641.70 : 1,515,962.55 = 505,280.68 : x
  2. Step 2: Convert to fraction form
    1,010,641.70/1,515,962.55 = 505,280.68/x
  3. Step 3: Cross multiply
    1,010,641.70x = 1,515,962.55 × 505,280.68
  4. Step 4: Simplify right side
    1,010,641.70x = 765,986,580,538.72
  5. Step 5: Solve for x
    x = 765,986,580,538.72/1,010,641.70
  6. Step 6: Final answer
    x = 757,921.01

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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.