Home / 999,457.65-1,379,262.69-540,581.31

Finding the Fourth Proportional to 999,457.65, 1,379,262.69 and 540,581.31

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Solution

The fourth proportional to 999,457.65, 1,379,262.69 and 540,581.31 is: 746,008.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,457.65 : 1,379,262.69 = 540,581.31 : x
  2. Step 2: Convert to fraction form
    999,457.65/1,379,262.69 = 540,581.31/x
  3. Step 3: Cross multiply
    999,457.65x = 1,379,262.69 × 540,581.31
  4. Step 4: Simplify right side
    999,457.65x = 745,603,631,794.32
  5. Step 5: Solve for x
    x = 745,603,631,794.32/999,457.65
  6. Step 6: Final answer
    x = 746,008.23

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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.