Home / 999,568.56-1,379,400.48-540,683.40

Finding the Fourth Proportional to 999,568.56, 1,379,400.48 and 540,683.40

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Solution

The fourth proportional to 999,568.56, 1,379,400.48 and 540,683.40 is: 746,140.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,568.56 : 1,379,400.48 = 540,683.40 : x
  2. Step 2: Convert to fraction form
    999,568.56/1,379,400.48 = 540,683.40/x
  3. Step 3: Cross multiply
    999,568.56x = 1,379,400.48 × 540,683.40
  4. Step 4: Simplify right side
    999,568.56x = 745,818,941,488.03
  5. Step 5: Solve for x
    x = 745,818,941,488.03/999,568.56
  6. Step 6: Final answer
    x = 746,140.86

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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.