Home / 1,057,637.90-1,586,730.23-458,460.65

Finding the Fourth Proportional to 1,057,637.90, 1,586,730.23 and 458,460.65

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Solution

The fourth proportional to 1,057,637.90, 1,586,730.23 and 458,460.65 is: 687,809.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,637.90 : 1,586,730.23 = 458,460.65 : x
  2. Step 2: Convert to fraction form
    1,057,637.90/1,586,730.23 = 458,460.65/x
  3. Step 3: Cross multiply
    1,057,637.90x = 1,586,730.23 × 458,460.65
  4. Step 4: Simplify right side
    1,057,637.90x = 727,453,372,620.45
  5. Step 5: Solve for x
    x = 727,453,372,620.45/1,057,637.90
  6. Step 6: Final answer
    x = 687,809.48

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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.