Home / 1,057,636.90-1,586,728.73-458,459.65

Finding the Fourth Proportional to 1,057,636.90, 1,586,728.73 and 458,459.65

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Solution

The fourth proportional to 1,057,636.90, 1,586,728.73 and 458,459.65 is: 687,807.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,636.90 : 1,586,728.73 = 458,459.65 : x
  2. Step 2: Convert to fraction form
    1,057,636.90/1,586,728.73 = 458,459.65/x
  3. Step 3: Cross multiply
    1,057,636.90x = 1,586,728.73 × 458,459.65
  4. Step 4: Simplify right side
    1,057,636.90x = 727,451,098,200.75
  5. Step 5: Solve for x
    x = 727,451,098,200.75/1,057,636.90
  6. Step 6: Final answer
    x = 687,807.98

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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.