Home / 999,575.56-1,379,410.14-540,690.40

Finding the Fourth Proportional to 999,575.56, 1,379,410.14 and 540,690.40

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Solution

The fourth proportional to 999,575.56, 1,379,410.14 and 540,690.40 is: 746,150.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,575.56 : 1,379,410.14 = 540,690.40 : x
  2. Step 2: Convert to fraction form
    999,575.56/1,379,410.14 = 540,690.40/x
  3. Step 3: Cross multiply
    999,575.56x = 1,379,410.14 × 540,690.40
  4. Step 4: Simplify right side
    999,575.56x = 745,833,820,360.66
  5. Step 5: Solve for x
    x = 745,833,820,360.66/999,575.56
  6. Step 6: Final answer
    x = 746,150.52

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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.